update common issues table

Author: salonichf5

site/content/how-to/monitoring/troubleshooting.md

@@ -296,12 +296,13 @@ Note that, the port number i.e `8080` matches the port number you have port-forw
 ### Common Errors
 
 {{< bootstrap-table "table table-striped table-bordered" >}}
-| Problem Area                 | Symptom                                | Troubleshooting Method                                                                                              | Common Cause                                              |
-|------------------------------|----------------------------------------|---------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------|
-| Startup                      | NGINX Gateway Fabric fails to start.   | Check logs for _nginx_ and _nginx-gateway_ container.                                                               | Missing TLS key and cert for SSL servers.                 |
-| Resources not configured     | Status missing on resources.           | Check referenced resources.                                                                                         | Referenced resources do not belong to NGINX Gateway Fabric.     |
-| NGINX errors                 | Reload failures on NGINX               | Fix permissions for control plane.                                                                                  | Security context not configured.                          |
-| Usage reporting              | Errors logs related to usage reporting | Enable usage reporting. Refer to this [Usage Reporting]({{< relref "installation/usage-reporting.md" >}})           | Usage reporting disabled.                                 |
+| Problem Area                 | Symptom                                | Troubleshooting Method                                                                                              | Common Cause                                                                                                                            |
+|------------------------------|----------------------------------------|---------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|
+| Startup                      | NGINX Gateway Fabric fails to start.   | Check logs for _nginx_ and _nginx-gateway_ container.                                                               | Readiness probe failed.                                                                                                                 |
+| Resources not configured     | Status missing on resources.           | Check referenced resources.                                                                                         | Referenced resources do not belong to NGINX Gateway Fabric.                                                                             |
+| NGINX errors                 | Reload failures on NGINX               | Fix permissions for control plane.                                                                                  | Security context not configured.                                                                                                        |
+| Usage reporting              | Errors logs related to usage reporting | Enable usage reporting. Refer to [Usage Reporting]({{< relref "installation/usage-reporting.md" >}})                | Usage reporting disabled.                                                                                                               |
+| Client Settings              | Request entity too large error         | Adjust client settings. Refer to [Client Settings Policy]({{< relref "../traffic-management/client-settings.md" >}})   | Payload is greater than the set [`client_max_body_size`](https://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size) |
 {{< /bootstrap-table >}}
 
 ##### NGINX fails to reload