Fatal error: Uncaught Error: Class 'WP_Block_Supports' not found in /home/prosp103/alliancefencecompany.com/wp-includes/block-supports/background.php:111
Stack trace:
#0 {main}
thrown in /home/prosp103/alliancefencecompany.com/wp-includes/block-supports/background.php on line 111