Could be a Page Name with odd characters and/or not encoded properly. I think I've seen something like this then.
how can I check if something is encoded properly? this was all working fine on the server I built it in, all I've done is copy the database and files to a new server. The only character that isnt A-Z or 0-9 is '&' in a few page titles. This hasn't been an issue before and the data has all remained the same.
Anything suspicious in the params of the request to CMS/Edit/EditCommand.aspx when you look through Firebug?
And what does it's response look like?
Doesn't look to be anything odd in the post, other than the encrypted vals, this is what it's sending.
and the response
I will also note that I'm not longer reveiving an error message, it just doesn't refresh the frame after the sort goes through.. If I manually refresh, I can see the updated sort position