fix: Rspack dev gets stuck after removing a page

packages/next/errors.json

@@ -708,5 +708,6 @@
   "707": "Invariant app-page handler received invalid cache entry %s",
   "708": "Failed to persist Chrome DevTools workspace UUID. The Chrome DevTools Workspace needs to be reconnected after the next page reload.",
   "709": "`rspack.getModuleNamedExports` is not supported by the wasm bindings.",
-  "710": "Unable to remove an invalidated webpack cache. If this issue persists you can work around it by deleting %s"
+  "710": "Unable to remove an invalidated webpack cache. If this issue persists you can work around it by deleting %s",
+  "711": "Can't resolve %s"
 }

packages/next/src/build/webpack/loaders/next-app-loader/index.ts

@@ -251,6 +251,8 @@ async function createTreeCodeFromPath(
           ${createMetadataExportsCode(metadata)}
         }]`
           continue
+        } else {
+          throw new Error(`Can't resolve ${matchedPagePath}`)
         }
       }