Harry,

>yes, I suspected that but can we switch it off?

Nope, we have no control over it, there's other places like controlsource not found that are not trappable.

>>Can you post the output of the debugout code from yesterday, one of us may be able to see something you are overlooking.
>
>how would I capture this output?

You can drag the mouse over the window contents and copy/paste it. That's just one of the reasons I use it so much for debugging rather than ? output or wait windows.