Fatal error: Uncaught Error: Class 'LaravelLang\Publisher\Plugins\Plugin' not found in /var/www/html/backend/vendor/laravel-lang/lang/src/Plugins/Lumen/Master.php:7 Stack trace: #0 {main} thrown in /var/www/html/backend/vendor/laravel-lang/lang/src/Plugins/Lumen/Master.php on line 7