Fatal error: Uncaught Error: Class 'WP_Customize_Setting' not found in /usr/home/wac/public_html/issaquah360.com/wp-includes/customize/class-wp-customize-background-image-setting.php:17
Stack trace:
#0 {main}
thrown in /usr/home/wac/public_html/issaquah360.com/wp-includes/customize/class-wp-customize-background-image-setting.php on line 17