Main canvas with stacked canvas

Hi,
I have to modify a form in which i have a main canvas which should have 2 stacked canvas,
in the layout i can see the two stacked canvas but when i ran the form, i see only one stacked canvas,
do you have any idea on the root cause?
Thank you and any help will be appreciated.

...in the layout i can see the two stacked canvas but when i ran the form, i see only one stacked canvas,do you have any idea on the root cause?>
If you want both stacked canvases to be visible, you have to explicitly display them using the SHOW_VIEW('CANVAS_NAME') built-in. Yes, Forms will typically display the canvas an item is assigned to then navigation to the item occurs, but it is sloppy programming to rely on this.
Hope this helps,
Craig B-)
If someone's response is helpful or correct, please mark it accordingly.

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