Paul,
Sounds like you've got an infinite loop going on. Look at the call stack window in the debugger and work your way back to the top to see what error started it all.
>I am trying to create my first form/class with the framework. I just need a plain form to maintain one record, so I thought I would subclass cBizObjForm.
>
>I placed my business object on it (my subclass) and selected the MM Builder. I receive a "Allowed Do Nesting Level Exceeded" error. I click OK and get booted out of VFP.
>
>The line that the debugger listed it was on is located the ERROR process of the OdeLoader, under "If PEMSTATUS(This.Parent,'Error',0) "and is:
>
>THIS.Parent.ERROR(nError,cmethod,nline,tcxyx16,toerrorobj)