tweak method

app/Exceptions/Handler.php

@@ -52,10 +52,12 @@ class Handler extends ExceptionHandler
      */
     protected function invalid($request, ValidationException $exception)
     {
+        $message = $exception->getMessage();
+
         $errors = $exception->validator->errors()->messages();
 
         return $request->expectsJson()
-                    ? response()->json(['message' => $exception->getMessage(), 'errors' => $errors], 422)
+                    ? response()->json(['message' => $message, 'errors' => $errors], 422)
                     : redirect()->back()->withInput()->withErrors(
                             $errors, $exception->errorBag
                       );