... them that there was an error (etc etc) which has been ... it is CLEAR that the error was not done on your ... they were notified of this error early in the game and ...
Might be a dumb question... but for those who circle on the scantrons.. do you just make sure you erase really thoroughly? What if time runs out before you get back to it? I always assumed that stray marks on a scantron can create errors in scoring.