diff --git a/api/account/v2alpha1/account_sdk.go b/api/account/v2alpha1/account_sdk.go
index 5d738c3db..19f1b8d4d 100644
--- a/api/account/v2alpha1/account_sdk.go
+++ b/api/account/v2alpha1/account_sdk.go
@@ -180,7 +180,7 @@ func (r *ListSSHKeysResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListSSHKeysResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListSSHKeysResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListSSHKeysResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/baremetal/v1alpha1/baremetal_sdk.go b/api/baremetal/v1alpha1/baremetal_sdk.go
index b1a8f6b42..2c73ee1ca 100644
--- a/api/baremetal/v1alpha1/baremetal_sdk.go
+++ b/api/baremetal/v1alpha1/baremetal_sdk.go
@@ -634,7 +634,7 @@ func (r *ListServersResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListServersResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListServersResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListServersResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1087,7 +1087,7 @@ func (r *ListServerEventsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListServerEventsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListServerEventsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListServerEventsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1334,7 +1334,7 @@ func (r *ListOffersResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListOffersResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListOffersResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListOffersResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1401,7 +1401,7 @@ func (r *ListOsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListOsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListOsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListOsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/baremetal/v1alpha1/server_utils.go b/api/baremetal/v1alpha1/server_utils.go
index a57683683..e4b74e3e2 100644
--- a/api/baremetal/v1alpha1/server_utils.go
+++ b/api/baremetal/v1alpha1/server_utils.go
@@ -17,7 +17,7 @@ type WaitForServerRequest struct {
 
 // WaitForServer wait for the server to be in a "terminal state" before returning.
 // This function can be used to wait for a server to be created.
-func (s *API) WaitForServer(req *WaitForServerRequest) (*Server, scw.SdkError) {
+func (s *API) WaitForServer(req *WaitForServerRequest) (*Server, error) {
 	terminalStatus := map[ServerStatus]struct{}{
 		ServerStatusReady:   {},
 		ServerStatusStopped: {},
@@ -59,7 +59,7 @@ type WaitForServerInstallRequest struct {
 // WaitForServerInstall wait for the server install to be in a
 // "terminal state" before returning.
 // This function can be used to wait for a server to be installed.
-func (s *API) WaitForServerInstall(req *WaitForServerInstallRequest) (*Server, scw.SdkError) {
+func (s *API) WaitForServerInstall(req *WaitForServerInstallRequest) (*Server, error) {
 	installTerminalStatus := map[ServerInstallStatus]struct{}{
 		ServerInstallStatusCompleted: {},
 		ServerInstallStatusError:     {},
diff --git a/api/instance/v1/instance_sdk.go b/api/instance/v1/instance_sdk.go
index 2acc9a002..e9505ef2d 100644
--- a/api/instance/v1/instance_sdk.go
+++ b/api/instance/v1/instance_sdk.go
@@ -1438,7 +1438,7 @@ func (r *ListServersResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListServersResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListServersResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListServersResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2010,7 +2010,7 @@ func (r *ListImagesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListImagesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2297,7 +2297,7 @@ func (r *ListSnapshotsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListSnapshotsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListSnapshotsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListSnapshotsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2575,7 +2575,7 @@ func (r *ListVolumesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListVolumesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListVolumesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListVolumesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2797,7 +2797,7 @@ func (r *ListSecurityGroupsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListSecurityGroupsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListSecurityGroupsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListSecurityGroupsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -3088,7 +3088,7 @@ func (r *ListSecurityGroupRulesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListSecurityGroupRulesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListSecurityGroupRulesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListSecurityGroupRulesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -3391,7 +3391,7 @@ func (r *ListPlacementGroupsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListPlacementGroupsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListPlacementGroupsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListPlacementGroupsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -3853,7 +3853,7 @@ func (r *ListIPsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListIPsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListIPsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListIPsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -4156,7 +4156,7 @@ func (r *ListBootscriptsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListBootscriptsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListBootscriptsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListBootscriptsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/instance/v1/instance_utils.go b/api/instance/v1/instance_utils.go
index ceccf9f57..17060d016 100644
--- a/api/instance/v1/instance_utils.go
+++ b/api/instance/v1/instance_utils.go
@@ -298,7 +298,7 @@ func (r *ListServersTypesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListServersTypesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListServersTypesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListServersTypesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/k8s/v1beta3/k8s_sdk.go b/api/k8s/v1beta3/k8s_sdk.go
index 30601868c..aeb77bf42 100644
--- a/api/k8s/v1beta3/k8s_sdk.go
+++ b/api/k8s/v1beta3/k8s_sdk.go
@@ -703,7 +703,7 @@ func (r *ListClustersResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListClustersResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListClustersResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListClustersResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1154,7 +1154,7 @@ func (r *ListPoolsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListPoolsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListPoolsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListPoolsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1490,7 +1490,7 @@ func (r *ListNodesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListNodesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListNodesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListNodesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/lb/v1/lb_sdk.go b/api/lb/v1/lb_sdk.go
index d545090f6..c710df07e 100644
--- a/api/lb/v1/lb_sdk.go
+++ b/api/lb/v1/lb_sdk.go
@@ -1265,7 +1265,7 @@ func (r *ListLbsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListLbsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListLbsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListLbsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1515,7 +1515,7 @@ func (r *ListIPsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListIPsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListIPsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListIPsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1669,7 +1669,7 @@ func (r *ListBackendsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListBackendsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListBackendsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListBackendsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2306,7 +2306,7 @@ func (r *ListFrontendsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListFrontendsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListFrontendsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListFrontendsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2653,7 +2653,7 @@ func (r *ListBackendStatsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListBackendStatsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListBackendStatsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListBackendStatsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2731,7 +2731,7 @@ func (r *ListACLResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListACLResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListACLResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListACLResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -3045,7 +3045,7 @@ func (r *ListCertificatesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListCertificatesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListCertificatesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListCertificatesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -3229,7 +3229,7 @@ func (r *ListLbTypesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListLbTypesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListLbTypesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListLbTypesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/marketplace/v1/marketplace_sdk.go b/api/marketplace/v1/marketplace_sdk.go
index 4c15462e9..6cfa674e0 100644
--- a/api/marketplace/v1/marketplace_sdk.go
+++ b/api/marketplace/v1/marketplace_sdk.go
@@ -204,7 +204,7 @@ func (r *ListImagesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListImagesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/rdb/v1/rdb_sdk.go b/api/rdb/v1/rdb_sdk.go
index b56d88e58..48e122370 100644
--- a/api/rdb/v1/rdb_sdk.go
+++ b/api/rdb/v1/rdb_sdk.go
@@ -1074,7 +1074,7 @@ func (r *ListDatabaseBackupsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListDatabaseBackupsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListDatabaseBackupsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListDatabaseBackupsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1394,7 +1394,7 @@ func (r *ListDatabaseEnginesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListDatabaseEnginesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListDatabaseEnginesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListDatabaseEnginesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -1516,7 +1516,7 @@ func (r *ListInstancesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListInstancesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListInstancesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListInstancesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2086,7 +2086,7 @@ func (r *ListInstanceACLRulesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListInstanceACLRulesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListInstanceACLRulesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListInstanceACLRulesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2296,7 +2296,7 @@ func (r *ListUsersResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListUsersResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListUsersResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListUsersResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2521,7 +2521,7 @@ func (r *ListDatabasesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListDatabasesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListDatabasesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListDatabasesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2687,7 +2687,7 @@ func (r *ListPrivilegesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListPrivilegesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListPrivilegesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListPrivilegesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -2804,7 +2804,7 @@ func (r *ListNodeTypesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListNodeTypesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListNodeTypesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListNodeTypesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/registry/v1/registry_sdk.go b/api/registry/v1/registry_sdk.go
index 9eb75bb58..b87cde02d 100644
--- a/api/registry/v1/registry_sdk.go
+++ b/api/registry/v1/registry_sdk.go
@@ -484,7 +484,7 @@ func (r *ListNamespacesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListNamespacesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListNamespacesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListNamespacesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -742,7 +742,7 @@ func (r *ListImagesResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListImagesResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListImagesResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
@@ -950,7 +950,7 @@ func (r *ListTagsResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListTagsResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListTagsResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListTagsResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/api/registry/v1/registry_utils.go b/api/registry/v1/registry_utils.go
index 6cf2b3674..15cbed216 100644
--- a/api/registry/v1/registry_utils.go
+++ b/api/registry/v1/registry_utils.go
@@ -17,7 +17,7 @@ type WaitForNamespaceRequest struct {
 
 // WaitForNamespace wait for the namespace to be in a "terminal state" before returning.
 // This function can be used to wait for a namespace to be ready for example.
-func (s *API) WaitForNamespace(req *WaitForNamespaceRequest) (*Namespace, scw.SdkError) {
+func (s *API) WaitForNamespace(req *WaitForNamespaceRequest) (*Namespace, error) {
 	terminalStatus := map[NamespaceStatus]struct{}{
 		NamespaceStatusReady:   {},
 		NamespaceStatusLocked:  {},
diff --git a/api/test/v1/test_sdk.go b/api/test/v1/test_sdk.go
index 6781f697c..df7c67065 100644
--- a/api/test/v1/test_sdk.go
+++ b/api/test/v1/test_sdk.go
@@ -317,7 +317,7 @@ func (r *ListHumansResponse) UnsafeGetTotalCount() uint32 {
 
 // UnsafeAppend should not be used
 // Internal usage only
-func (r *ListHumansResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
+func (r *ListHumansResponse) UnsafeAppend(res interface{}) (uint32, error) {
 	results, ok := res.(*ListHumansResponse)
 	if !ok {
 		return 0, errors.New("%T type cannot be appended to type %T", res, r)
diff --git a/internal/e2e/errors_test.go b/internal/e2e/errors_test.go
index c2aa273ed..73e9ca42e 100644
--- a/internal/e2e/errors_test.go
+++ b/internal/e2e/errors_test.go
@@ -28,11 +28,7 @@ func TestStandardErrors(t *testing.T) {
 			AltitudeInMeter: -7000000,
 		})
 		testhelpers.Equals(t, &scw.InvalidArgumentsError{
-			Details: []struct {
-				ArgumentName string `json:"argument_name"`
-				Reason       string `json:"reason"`
-				HelpMessage  string `json:"help_message"`
-			}{
+			Details: []scw.InvalidArgumentsErrorDetail{
 				{
 					ArgumentName: "altitude_in_meter",
 					Reason:       "constraint",
diff --git a/scw/client.go b/scw/client.go
index 3fdec3894..b62123a4c 100644
--- a/scw/client.go
+++ b/scw/client.go
@@ -150,7 +150,7 @@ func (c *Client) Do(req *ScalewayRequest, res interface{}, opts ...RequestOption
 var requestNumber uint32
 
 // do performs a single HTTP request based on the ScalewayRequest object.
-func (c *Client) do(req *ScalewayRequest, res interface{}) (sdkErr SdkError) {
+func (c *Client) do(req *ScalewayRequest, res interface{}) (sdkErr error) {
 
 	currentRequestNumber := atomic.AddUint32(&requestNumber, 1)
 
@@ -270,7 +270,7 @@ func (c *Client) do(req *ScalewayRequest, res interface{}) (sdkErr SdkError) {
 
 type lister interface {
 	UnsafeGetTotalCount() uint32
-	UnsafeAppend(interface{}) (uint32, SdkError)
+	UnsafeAppend(interface{}) (uint32, error)
 }
 
 type legacyLister interface {
@@ -280,7 +280,7 @@ type legacyLister interface {
 const maxPageCount uint32 = math.MaxUint32
 
 // doListAll collects all pages of a List request and aggregate all results on a single response.
-func (c *Client) doListAll(req *ScalewayRequest, res interface{}) (err SdkError) {
+func (c *Client) doListAll(req *ScalewayRequest, res interface{}) (err error) {
 
 	// check for lister interface
 	if response, isLister := res.(lister); isLister {
diff --git a/scw/errors.go b/scw/errors.go
index 330f6f24b..3e0a61b7e 100644
--- a/scw/errors.go
+++ b/scw/errors.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"sort"
 	"strings"
 
 	"github.com/scaleway/scaleway-sdk-go/internal/errors"
@@ -63,7 +64,7 @@ func (e *ResponseError) GetRawBody() json.RawMessage {
 }
 
 // hasResponseError throws an error when the HTTP status is not OK
-func hasResponseError(res *http.Response) SdkError {
+func hasResponseError(res *http.Response) error {
 	if res.StatusCode >= 200 && res.StatusCode <= 299 {
 		return nil
 	}
@@ -88,15 +89,20 @@ func hasResponseError(res *http.Response) SdkError {
 		return errors.Wrap(err, "could not parse error response body")
 	}
 
-	stdErr := unmarshalStandardError(newErr.Type, body)
-	if stdErr != nil {
-		return stdErr
+	err = unmarshalStandardError(newErr.Type, body)
+	if err != nil {
+		return err
+	}
+
+	err = unmarshalNonStandardError(newErr.Type, body)
+	if err != nil {
+		return err
 	}
 
 	return newErr
 }
 
-func unmarshalStandardError(errorType string, body []byte) SdkError {
+func unmarshalStandardError(errorType string, body []byte) error {
 	var stdErr SdkError
 
 	switch errorType {
@@ -124,12 +130,30 @@ func unmarshalStandardError(errorType string, body []byte) SdkError {
 	return stdErr
 }
 
+func unmarshalNonStandardError(errorType string, body []byte) error {
+	var stdErr SdkError
+	switch errorType {
+
+	case "invalid_request_error":
+		invalidRequestError := &InvalidRequestError{RawBody: body}
+		err := json.Unmarshal(body, invalidRequestError)
+		if err != nil {
+			return errors.Wrap(err, "could not parse error %s response body", errorType)
+		}
+		stdErr = invalidRequestError.ToInvalidArgumentsError()
+	}
+
+	return stdErr
+}
+
+type InvalidArgumentsErrorDetail struct {
+	ArgumentName string `json:"argument_name"`
+	Reason       string `json:"reason"`
+	HelpMessage  string `json:"help_message"`
+}
+
 type InvalidArgumentsError struct {
-	Details []struct {
-		ArgumentName string `json:"argument_name"`
-		Reason       string `json:"reason"`
-		HelpMessage  string `json:"help_message"`
-	} `json:"details"`
+	Details []InvalidArgumentsErrorDetail `json:"details"`
 
 	RawBody json.RawMessage `json:"-"`
 }
@@ -161,6 +185,36 @@ func (e *InvalidArgumentsError) GetRawBody() json.RawMessage {
 	return e.RawBody
 }
 
+// InvalidRequestError are only returned by the compute API
+// Warning: this is not a standard error.
+type InvalidRequestError struct {
+	Fields map[string][]string `json:"fields"`
+
+	RawBody json.RawMessage `json:"-"`
+}
+
+// ToInvalidArgumentsError converts it to the standard error InvalidArgumentsError
+func (e *InvalidRequestError) ToInvalidArgumentsError() *InvalidArgumentsError {
+	invalidArguments := &InvalidArgumentsError{
+		RawBody: e.RawBody,
+	}
+	fieldNames := []string(nil)
+	for fieldName := range e.Fields {
+		fieldNames = append(fieldNames, fieldName)
+	}
+	sort.Strings(fieldNames)
+	for _, fieldName := range fieldNames {
+		for _, message := range e.Fields[fieldName] {
+			invalidArguments.Details = append(invalidArguments.Details, InvalidArgumentsErrorDetail{
+				ArgumentName: fieldName,
+				Reason:       "constraint",
+				HelpMessage:  message,
+			})
+		}
+	}
+	return invalidArguments
+}
+
 type QuotasExceededError struct {
 	Details []struct {
 		Resource string `json:"resource"`
diff --git a/scw/errors_test.go b/scw/errors_test.go
index 650eed9d6..77bc68582 100644
--- a/scw/errors_test.go
+++ b/scw/errors_test.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"net/http"
+	"strings"
 	"testing"
 
 	"github.com/scaleway/scaleway-sdk-go/internal/testhelpers"
@@ -28,6 +29,34 @@ func TestHasResponseErrorWithoutBody(t *testing.T) {
 
 }
 
+func TestNonStandardError(t *testing.T) {
+	// Create expected error response
+	testErrorReponse := &InvalidArgumentsError{
+		Details: []InvalidArgumentsErrorDetail{
+			{
+				ArgumentName: "volumes.5.id",
+				Reason:       "constraint",
+				HelpMessage:  "92 is not a valid UUID.",
+			},
+			{
+				ArgumentName: "volumes.5.name",
+				Reason:       "constraint",
+				HelpMessage:  "required key not provided",
+			},
+		},
+		RawBody: []byte(`{"fields":{"volumes.5.id":["92 is not a valid UUID."],"volumes.5.name":["required key not provided"]},"message":"Validation Error","type":"invalid_request_error"}`),
+	}
+
+	// Create response body with marshalled error response
+	body := `{"fields":{"volumes.5.id":["92 is not a valid UUID."],"volumes.5.name":["required key not provided"]},"message":"Validation Error","type":"invalid_request_error"}`
+	res := &http.Response{Status: "400 Bad Request", StatusCode: 400, Body: ioutil.NopCloser(strings.NewReader(body))}
+
+	// Test hasResponseError convert the response into a InvalidArgumentsError error
+	newErr := hasResponseError(res)
+	testhelpers.Assert(t, newErr != nil, "Should have error")
+	testhelpers.Equals(t, testErrorReponse, newErr)
+}
+
 func TestHasResponseErrorWithValidError(t *testing.T) {
 	var (
 		errorMessage    = "some message"
diff --git a/scw/request.go b/scw/request.go
index d7a2fcc73..f3b14d039 100644
--- a/scw/request.go
+++ b/scw/request.go
@@ -50,7 +50,7 @@ func (req *ScalewayRequest) getAllHeaders(token auth.Auth, userAgent string, ano
 }
 
 // getURL constructs a URL based on the base url and the client.
-func (req *ScalewayRequest) getURL(baseURL string) (*url.URL, SdkError) {
+func (req *ScalewayRequest) getURL(baseURL string) (*url.URL, error) {
 	url, err := url.Parse(baseURL + req.Path)
 	if err != nil {
 		return nil, errors.New("invalid url %s: %s", baseURL+req.Path, err)
diff --git a/scw/request_option.go b/scw/request_option.go
index 2d541cefe..5f5e05afa 100644
--- a/scw/request_option.go
+++ b/scw/request_option.go
@@ -37,7 +37,7 @@ func (s *ScalewayRequest) apply(opts []RequestOption) {
 	}
 }
 
-func (s *ScalewayRequest) validate() SdkError {
+func (s *ScalewayRequest) validate() error {
 	// nothing so far
 	return nil
 }