A PHP Error was encountered

Severity: Notice

Message: Undefined property: stdClass::$xml_file

Filename: projects/Server_media_model.php

Line Number: 839

Backtrace:

File: /var/www/vhosts/serverkursu.com/httpdocs/application/models/projects/Server_media_model.php
Line: 839
Function: _error_handler

File: /var/www/vhosts/serverkursu.com/httpdocs/application/controllers/Project_server_media.php
Line: 899
Function: createVTTFile

File: /var/www/vhosts/serverkursu.com/httpdocs/index.php
Line: 317
Function: require_once