Fatal error: Uncaught Error: Call to undefined function BP3D\Base\add_action() in /home/user2040093/www/belaquilon.by/wp-content/plugins/3d-viewer/inc/Base/ExtendMimeType.php:74 Stack trace: #0 {main} thrown in /home/user2040093/www/belaquilon.by/wp-content/plugins/3d-viewer/inc/Base/ExtendMimeType.php on line 74