Fatal error: Uncaught Error: Class "Zend_Cache_Core" not found in /var/www/crm_killing_ninja/vendor/zf1/zend-cache/library/Zend/Cache/Frontend/Class.php:35 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/zf1/zend-cache/library/Zend/Cache/Frontend/Class.php on line 35