Clearly not recursive ... byt AACH! not in the Locals list (blush of embarrassment here)

That should turn the trick! (Well, I can always hope, can't I?)

>>which will be captured the next time the error occurs -- as I have said, I cannot replicate it myself.
>>
>>There's very little opportunity in that little piece of code for that variable to change, is there?
>
>Hi Jim,
>
>Is it a recursive function? Did you check that all variables are correctly declared?