Fatal error: Uncaught Error: Class 'WP_Block_Supports' not found in /home/julibxuu/amoveabletheatre.com.au/wp-includes/block-supports/background.php:131 Stack trace: #0 {main} thrown in /home/julibxuu/amoveabletheatre.com.au/wp-includes/block-supports/background.php on line 131