Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Concurrency\Driver" not found in /home/mainwebsite/public_html/vendor/laravel/framework/src/Illuminate/Concurrency/ProcessDriver.php:17
Stack trace:
#0 {main}
thrown in /home/mainwebsite/public_html/vendor/laravel/framework/src/Illuminate/Concurrency/ProcessDriver.php on line 17