Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Database\ConcurrencyErrorDetector' not found in /home/rrcwnqvo/public_html/vendor/laravel/framework/src/Illuminate/Database/ConcurrencyErrorDetector.php:10 Stack trace: #0 {main} thrown in /home/rrcwnqvo/public_html/vendor/laravel/framework/src/Illuminate/Database/ConcurrencyErrorDetector.php on line 10