My iPod 2 doesn't want to accept any movie files, why?

I have an iPod2 running version 2.2.1 which I think is the best it can do. And it has had movies on it before,

 

My so is 10.7.5 and iTunes is 11 .0.1.

 

Ripped a DVD into an mp4, iTunes took it and said the iPod couldn't so it didn't sync. I exported it from QT into the format it said for an iPod touch, a m4v. Same message. The iPod can't play it.

 

What do,I need to do for my iPod to play movies again from iTunes that I imported from a ripped DVD?

 

Thanks

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