It means that you have too many variables declared in a single file .You can have a maximum of 256 bytes of variables per file without resorting to some of the tricks in this thread:
http://www.chiefdelphi.com/forums/sh...ad.php?t=51550
However, since I don't use EasyC, I don't know how easy it is to split things into different files or implement one of the other suggestions.