Fatal error: Uncaught Error: Class 'WP_Block_Supports' not found in /home/refref/public_html/csv-importer/wordfence/block-supports/block-style-variations.php:251 Stack trace: #0 {main} thrown in /home/refref/public_html/csv-importer/wordfence/block-supports/block-style-variations.php on line 251