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('options') #2 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php(249): W3TC\Cache_Redis->set('1d4d9fb2275b033...', Array, 180, 'options') #3 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(122): W3TC\DbCache_WpdbInjection_QueryCaching->query('SELECT option_v...') #4 /home/wordpress/doc_root/wp-includes/class-wpdb.php(3060): W3TC\DbCache_WpdbNew->query('SELECT option_v...') #5 /home/wordpress/doc_root/wp-includes/option.php(197): wpdb->get_row('SELECT option_v...') #6 /home/wordpress/doc_root/wp-includes/plugin.php(934): get_o in /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php on line 362