Fatal error: Uncaught Error: Class "WP_Customize_Setting" not found in /usr/www/east110006/heizemod.us/heizemod/wp-includes/customize/class-wp-customize-filter-setting.php:19 Stack trace: #0 {main} thrown in /usr/www/east110006/heizemod.us/heizemod/wp-includes/customize/class-wp-customize-filter-setting.php on line 19