Fix error rendering while ServerException

app/Exceptions/Handler.php

@@ -109,7 +109,11 @@ class Handler extends ExceptionHandler
 
         if ($exception instanceof ServerException)
         {
-            return $this->errorResponse($exception->getMessage(),Response::HTTP_INTERNAL_SERVER_ERROR);
+            $errorBody = $exception->getResponse()->getBody()->getContents();
+            $error = json_decode($errorBody);
+            $message = $error ? $error->error : $exception->getMessage();
+            $code = $error ? $error->status : Response::HTTP_INTERNAL_SERVER_ERROR;
+            return $this->errorResponse($message,$code);
         }
 
         if( env('APP_DEBUG', false))

bootstrap/app.php

@@ -115,6 +115,7 @@ $app->register(App\Providers\AuthServiceProvider::class);
 //$app->register(SMartins\PassportMultiauth\Providers\MultiauthServiceProvider::class);
 $app->register(Laravel\Passport\PassportServiceProvider::class);
 $app->register(Dusterio\LumenPassport\PassportServiceProvider::class);
+$app->register(Flipbox\LumenGenerator\LumenGeneratorServiceProvider::class);
 
 
 /*

composer.json

@@ -5,11 +5,12 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": "^7.3|^8.0",
+        "php": "^8.0",
+        "ext-json": "*",
         "dusterio/lumen-passport": "^0.3.0",
+        "flipbox/lumen-generator": "^9.2",
         "guzzlehttp/guzzle": "^7.3",
-        "laravel/lumen-framework": "^8.0",
-        "ext-json": "*"
+        "laravel/lumen-framework": "^8.0"
     },
     "require-dev": {
         "fzaninotto/faker": "^1.9.1",