Error! File not found

Hello,

I had upload video in my site but i got this error when i play video,

Error! File not found

http://sarirdata.com/m/videos/view/10-things-you-shouldn-t-do-while-sitting-on-a-plane

Hello,

How can i fox this error?

Error! File not found

???????????????

I get the problem too

Umm.. SarirData, I tried to go to your site but you are getting errors:

shell_exec function is unvailable. Warning! Dolphin cannot work without shell_exec function.

Are you running D7 Beta or a D6 version?