Fatal error: Uncaught Error: Class 'Symfony_EventDispatcher_EventDispatcher' not found in /home/referent/public_html/wp-content/plugins/worker/src/MWP/ServiceContainer/Production.php:26 Stack trace: #0 /home/referent/public_html/wp-content/plugins/worker/src/MWP/ServiceContainer/Abstract.php(247): MWP_ServiceContainer_Production->createEventDispatcher() #1 /home/referent/public_html/wp-content/plugins/worker/src/MWP/Worker/Kernel.php(35): MWP_ServiceContainer_Abstract->getEventDispatcher() #2 /home/referent/public_html/wp-content/plugins/worker/init.php(740): MWP_Worker_Kernel->__construct(Object(MWP_ServiceContainer_Production)) #3 /home/referent/public_html/wp-content/plugins/worker/init.php(754): mwp_init() #4 /home/referent/public_html/wp-content/mu-plugins/0-worker.php(22): include_once('/home/referent/...') #5 /home/referent/public_html/wp-settings.php(353): include_once('/home/referent/...') #6 /home/referent/public_html/wp-config.php(101): require_once('/home/referent/...') #7 /home/referent/public_html/wp-load.ph in /home/referent/public_html/wp-content/plugins/worker/src/MWP/ServiceContainer/Production.php on line 26