Error after opening form on mobile - two group box widgets

bugs
1

When I design a UI form with two GroupBox widgets on int in the ScreenSection, I get an error when trying opening it on mobile phone.

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IMG_9CECE8D006BE-11125×2436 121 KB

When there is only one GroupBox in the ScreenSection, no error appears.

2

Could you please prepare sample in our test model?

Package Widgets.