Fatal error: Uncaught Error: Class "WP_Block_Supports" not found in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\block-supports\block-style-variations.php:268 Stack trace: #0 {main} thrown in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\block-supports\block-style-variations.php on line 268