Fatal error: Uncaught Error: Class 'Illuminate\Database\QueryException' not found in /home/szfwxvyz/data-a23/a23/data/old/vendor/laravel/framework/src/Illuminate/Database/UniqueConstraintViolationException.php:5 Stack trace: #0 {main} thrown in /home/szfwxvyz/data-a23/a23/data/old/vendor/laravel/framework/src/Illuminate/Database/UniqueConstraintViolationException.php on line 5