Fatal error: Uncaught RedisException: OOM command not allowed when used memory > 'maxmemory'. in /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php:362 Stack trace: #0 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php(362): Redis->set('w3tc_1096282268...', 1) #1 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php(177): W3TC\Cache_Redis->_get_key_version('options') #2 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Base.php(113): W3TC\Cache_Redis->get_with_old('0optionsallopti...', 'options') #3 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache_Regular.php(210): W3TC\Cache_Base->get('0optionsallopti...', 'options') #4 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache.php(100): W3TC\ObjectCache_WpObjectCache_Regular->get('alloptions', 'options', false, NULL) #5 /home/wordpress/doc_root/wp-content/object-cache.php(106): W3TC\ObjectCache_WpObjectCache->get('alloptions', in /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php on line 362