Fatal error: Uncaught Error: Class 'Symfony\Component\Cache\Simple\AbstractCache' not found in /home/itscm/dev.its.cm/apps/vendor/symfony/cache/Simple/RedisCache.php:16 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/apps/vendor/symfony/cache/Simple/RedisCache.php on line 16