Fatal error: Uncaught Error: Class "Illuminate\Database\Query\Builder" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Database/Query/JoinClause.php:7 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Database/Query/JoinClause.php on line 7