Minecraft 1.7.2 too many items multiplater error?

I'm trying to use Too many items on my server but it comes up with this error each time I try spawn something
error minecraft: stone not recognized
or minecraft: dirt etc…

the error is something like that.
everything in the tmi text file is correct, I think the server just doesn't recognize the name that tmi is using, but I don't know how to fix that.

Any help is greatly appreciated

In the server options find a file that says OP. Open that file and (notepad) and put your username in it. And save exit. Now try

It's because minecraft changed that in 1.7.2, and if you are using vanilla, i don't think there will be a problem,
but as far as i know, bukkit didn't yet change those values, so it won't yet work on bukkit. You have to wait for bukkit to change this