Fatal error: Uncaught Error: Class 'WP_Block_Supports' not found in /home/nagorskakamila/public_html/knagbezp/wp-includes/block-supports/layout.php:523 Stack trace: #0 {main} thrown in /home/nagorskakamila/public_html/knagbezp/wp-includes/block-supports/layout.php on line 523