Fatal error: Uncaught Error: Interface 'Illuminate\Database\ConnectionInterface' not found in /home/kubalos2/public_html/testtestowy/vendor/laravel/framework/src/Illuminate/Database/Connection.php:21 Stack trace: #0 {main} thrown in /home/kubalos2/public_html/testtestowy/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 21