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(136): W3TC\Cache_Redis->_get_key_version('default') #2 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache_Regular.php(389): W3TC\Cache_Redis->set('0defaultis_blog...', Array, 180, 'default') #3 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache.php(133): W3TC\ObjectCache_WpObjectCache_Regular->set('is_blog_install...', true, 'default', 0) #4 /home/wordpress/doc_root/wp-content/object-cache.php(141): W3TC\ObjectCache_WpObjectCache->set('is_blog_install...', true, 'default', 0) #5 /home/wordpress/doc_root/wp-includes/functions.php(1793): wp_cache_set('is_blog_install...', true) in /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php on line 362