nomsg errors

I get nomsg errors in-game.
I changed a lot in the system.mrs maybe thats the reason.
But then I have to do a lot of things over :S

So do you have an other option =) ?

Hope you can help me ^^

where you get the error items sets and buttons ? if yes then take the strings.xml from the repack and replace on the system.mrs and matchserver folder for youre server