AFAIK, it's some kind of C stack limit.

>I stand corrected. I just put a config.fpw with STACKSIZE=64000 in my startup folder, and while it did greatly increase the number of levels I could traverse, it bombed at 906 for the following...
>
>

pnCounter = 0
>=mytest()
>
>FUNCTION MyTest()
>	pnCounter = pnCounter + 1
>	?pnCounter
>	=mytest()
>ENDFUNC

>