Still, scriptenforcer wouldn't explain his gamemode load error, and, Pgast, I'm sorry to say, we can't (and most of us won't) fix that for you.
Are you sure your host is using the latest release of Gmod10?
Are you absolutely sure that ULX and ULib are the ONLY two non-Gmod/Garry released addons in your addons folder?
EDIT-
Perhaps you can ask
this guy how he ended up getting his server running with ULX.
He didn't give any detail in his thread as to what all he had to do.