I upgraded a project from UE4.8 to UE4.10. Now, when I open UMG widget Blueprints, the Editor crashes. I’ve had this crash happen on both the OS X and Windows binary versions. The CrashContext-runtime.xml file (generated during a crash on Windows 10), lists the error as: Assertion failed: IsValid()…

The workaround in the following AnswerHub question solved the issue: [ Assertion failed: IsValid() File:D:\BuildFarm - UI - Epic Developer Community Forums ][1] I was able to use this workaround to access the UMG Blueprint in both the Windows and OS X binary versions of 4.10.0. Here’s the answer fro…

Crash when opening UMG widgets in 4.10

Development Programming & Scripting UI

Jambax (Jambax) November 18, 2015, 5:09pm 6

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