Fatal error: Uncaught Error: Call to undefined function add_action() in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\modules\theme-tools\content-options\post-details.php:68 Stack trace: #0 {main} thrown in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\modules\theme-tools\content-options\post-details.php on line 68