I don't see anything in the code you present that would account for that. Can you try to whittle down the full script until it's as small as possible, while still creating these errors? Doing that might help you see where things go wrong; if not, you can post a smaller amount of code for others to look at.

My initial guess - and it's only a guess - is that somewhere along the line, the compiler gets confused and starts emitting erroneous error messages.