i have run the cron.php on my site i am getting this error tho :(

cronjob started
Video (3) Conversion starting...
File: /home/wwwdonk/public_html/video/bdprojectfrozen_2.wmv
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UPDATE video SET active='0' where VID=2
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Video id: 2
Calling ffmpeg-php -> ffmpeg_movie()

Fatal error: Cannot instantiate non-existent class: ffmpeg_movie in /home/wwwdonk/public_html/include/functions_upload.php on line 174


what does this mean ???


Harry