Hi,
Where would the form "unregister" from form manager? In Destroy event?
I have the same ways for my form manager too, but I found that my reference in array may not released totally. I still able to view the structure of my form from debugger. It works fine at the 1st time. When I re-load the form again, the situation occurs. How to solve it? I have release all neccessary variable reference....

I set
myarray[pos, 1] = .NULL. && column stored reference
**release any variable which ever reference to the form

Any ideas?
Thank you