Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in D:\Apache24\www\slaudi.nxytec.cn\pesticide-back-end\app\Http\Controllers\Produce\OrderValidateController.php:13 Stack trace: #0 {main} thrown in D:\Apache24\www\slaudi.nxytec.cn\pesticide-back-end\app\Http\Controllers\Produce\OrderValidateController.php on line 13