Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\ConcurrencyErrorDetector" not found in C:\xampp\htdocs\hshs\vendor\illuminate\database\ConcurrencyErrorDetector.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hshs\vendor\illuminate\database\ConcurrencyErrorDetector.php on line 10