B4X FEED Expandable option in AS CalendarAdvanced

[PracticalBot]

I tested the B4J example of the

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, but I get an issue:
If I disable the Expandable option in Designer, I get a black screen.
If I click and move the mouse, I can see the calendar, but if I release the mouse, the calendar is missing.

What could be happen?

It's OK in Android.

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