There are some controllers which the name differ from their file name which is leading to 500 errors in the application. For example:
[previous exception] [object] (ReflectionException(code: -1): Class \"App\\Http\\Controllers\\CompanyGatewayController\" does not exist at /home/runcloud/webapps/invoice/vendor/laravel/framework/src/Illuminate/Container/Container.php:875)
See screencap below: