Re: Can't insert to Sheet
Oh well, this problem was not shown to me in tw.o (I'm using firefox 3.5 in case it matters).
However, saving changes did nothing to me.
I've filled a but report:
http://dev.tikiwiki.org/bug2884
Feel free to update it or fill in a new one if your problems are different. (try clearning your browser cache, just in case)