Fatal error: Uncaught Error: Call to undefined function media_upload_header() in /www/wwwroot/wczhuti/wp-content/plugins/download-manager/src/MediaLibrary/views/media-tab.php:4 Stack trace: #0 {main} thrown in /www/wwwroot/wczhuti/wp-content/plugins/download-manager/src/MediaLibrary/views/media-tab.php on line 4