What you've already posted is quite lengthy and rather discouraging to wade through if someone wants to help.
Perhaps you could come up with a minimalist test case instead and post that?
It'll make things much easier for people here to see what the problem may be, while the process of you striping out as many text fields, radio groups, etc. as you can while still getting the error may reveal the problem to you.
Are you posting in the right place? Check out Where do I post X? to know for sure.
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Want more info? How to link or
or How to display code and escape characters
are good places to start.