Fatal error: Uncaught Error: Interface "Illuminate\Console\Scheduling\SchedulingMutex" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Console/Scheduling/CacheSchedulingMutex.php:8 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Console/Scheduling/CacheSchedulingMutex.php on line 8