im having all kinds of problems with my video upload, i get this error when uploading video,

ERROR: Unable to execute query

UPDATE `video` SET
`space`=1.17,
`duration`='32',
`video_length`='00:32',
`server_id`=0
WHERE `VID`=430
MySQL server has gone away


the video is showing up in my admin cpanel, but there is no title, or link to view video before approval, they are also showing no runtime, they are showing up in process que, as conversion started, and, i can go into admin cpanel, under video, all fields are blank, except it does show the video, i can place text in the field, then it shows under approve video,
then i am able to play it before approval but there is no duration.

please help!

thanks
harvey