Fatal error: Uncaught Error: Call to undefined function add_filter() in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\extensions\extended-blocks\core-audio\core-audio.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\extensions\extended-blocks\core-audio\core-audio.php on line 9