Fatal error: Uncaught Error: Class "Symfony\Component\Cache\Adapter\AbstractTagAwareAdapter" not found in /home/rcmch/test.m-s-i.ch/vendor/symfony/cache/Adapter/RedisTagAwareAdapter.php:47 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/symfony/cache/Adapter/RedisTagAwareAdapter.php on line 47