I'm using Eagle 6.3 and in my PCB I've created a title block that contains information such as title of board, drawing number, rev level, etc. all of these are tied to global attributes such that when I add a global attribute, it updates the title block. The exception is the 'SHEET' field. I have used this before a few times and it has always worked fine, but today, on a new board design, the same title block is telling me... "Reserved attribute name: 'SHEET' ". It will not allow me to add the attribute. If I smash the title block, all of the attribute text can be manipulated individually, except the SHEET attribute. It just says >SHEET. Anyone know what could be going on here?
Thanks.