i debug my packaged build,found an UMG widget cause this crash. Finally, I found the blueprint of this widget has a unused variable which’s type is tool menu context,i fix this crash by just removing this unused variable. I suppose that some type of variable may cause this kind of crash. The method is to debug ,but windows packaged build didnot show some useful information.Only under the android debug condition, log gave me the exact name of the UMG widget’s name. Hope this can help u gays.
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