[TYPO3] Error! Reason: Segment "video_visning" was not a keyword for a postVarSet as expected!

[Lasse Guldsborg]

> Then you should ensure that there is no page that encodes its title to 
> video_visning and postVar video_visning at the same time.

I'm sorry to be a nob, but how exactly do I do that? Where do I edit these 
variables? No where in the extension do I seem post a variable called 
video_visning...

Cheers,
Lasse