Fatal error: Uncaught Error: Call to undefined function _wp_filter_build_unique_id() in /home/helponca/www/wp-includes/class-wp-hook.php:74 Stack trace: #0 /home/helponca/www/wp-includes/plugin.php(119): WP_Hook->add_filter('query', Array, 0, 1) #1 /home/helponca/www/wp-includes/wp-db.php(2134): add_filter('query', Array, 0) #2 /home/helponca/www/wp-includes/wp-db.php(2153): wpdb->placeholder_escape() #3 /home/helponca/www/wp-includes/wp-db.php(1183): wpdb->add_placeholder_escape('utf8mb4') #4 /home/helponca/www/wp-includes/wp-db.php(1255): wpdb->_real_escape('utf8mb4') #5 [internal function]: wpdb->escape_by_ref('utf8mb4', 0) #6 /home/helponca/www/wp-includes/wp-db.php(1416): array_walk(Array, Array) #7 /home/helponca/www/wp-includes/wp-db.php(796): wpdb->prepare('SET NAMES '%s'', 'utf8mb4') #8 /home/helponca/www/wp-includes/wp-db.php(1732): wpdb->set_charset(Object(mysqli)) #9 /home/helponca/www/wp-includes/wp-db.php(632): wpdb->db_connect() #10 /home/helponca/www/wp-includes/load.php(545): wpdb->__construct('helponcall in /home/helponca/www/wp-includes/class-wp-hook.php on line 74