Fatal error: Uncaught Error: Call to undefined function wp_kses() in /var/www/wordpress/wp-includes/functions.php:6098 Stack trace: #0 /var/www/wordpress/wp-includes/functions.php(6054): wp_trigger_error('', 'Function W3TC\\D...') #1 /var/www/wordpress/wp-includes/class-wpdb.php(1284): _doing_it_wrong('W3TC\\DbCache_Wp...', 'Function W3TC\\D...', '(This message w...') #2 /var/www/wordpress/wp-includes/class-wpdb.php(1308): wpdb->_real_escape('yes') #3 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(239): wpdb->_escape(Array) #4 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection.php(62): W3TC\DbCache_WpdbNew->default__escape(Array) #5 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(126): W3TC\DbCache_WpdbInjection->_escape(Array) #6 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(413): W3TC\DbCache_WpdbNew->_escape(Array) #7 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php(277): W3TC\_CallUnderlying->_escape(Array) #8 /var/www/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(126): W3TC\DbCache_WpdbInjection_QueryCaching->_escape(Array) #9 /var/www/wordpress/wp-includes/formatting.php(4440): W3TC\DbCache_WpdbNew->_escape(Array) #10 /var/www/wordpress/wp-includes/option.php(619): esc_sql(Array) #11 /var/www/wordpress/wp-includes/functions.php(1780): wp_load_alloptions() #12 /var/www/wordpress/wp-includes/load.php(914): is_blog_installed() #13 /var/www/wordpress/wp-settings.php(175): wp_not_installed() #14 /var/www/wordpress/wp-config.php(139): require_once('/var/www/wordpr...') #15 /var/www/wordpress/wp-load.php(50): require_once('/var/www/wordpr...') #16 /var/www/wordpress/wp-blog-header.php(13): require_once('/var/www/wordpr...') #17 /var/www/wordpress/index.php(17): require('/var/www/wordpr...') #18 {main} thrown in /var/www/wordpress/wp-includes/functions.php on line 6098