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:148 Stack trace: #0 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php(148): Redis->setex('w3tc_27837368_d...', 180, 'a:7:{s:10:"last...') #1 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php(241): W3TC\Cache_Redis->set('848ae0ba9a46082...', Array, 180, 'options') #2 /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(122): W3TC\DbCache_WpdbInjection_QueryCaching->query('SELECT option_n...') #3 /home/wordpress/doc_root/wp-includes/class-wpdb.php(3141): W3TC\DbCache_WpdbNew->query('SELECT option_n...') #4 /home/wordpress/doc_root/wp-includes/option.php(609): wpdb->get_results('SELECT option_n...') #5 /home/wordpress/doc_root/wp-includes/option.php(164): wp_load_alloptions() #6 /home/wordpress/doc_root/wp-includes/default-constants.php(174): get_option('siteurl') #7 /home/wordpress/doc_root/wp-settings.php(435): wp_plugin_directory_constants() #8 /home/wordpress/doc_root/wp-config.php(202): require_once('/home/wordpress...') #9 /home/wordpress/doc_root/wp-load.php(50): require_once('/home/wordpress...') #10 /home/wordpress/doc_root/wp-blog-header.php(13): require_once('/home/wordpress...') #11 /home/wordpress/doc_root/index.php(17): require('/home/wordpress...') #12 {main} thrown in /home/wordpress/doc_root/wp-content/plugins/w3-total-cache/Cache_Redis.php on line 148