[4.26] Packaging fails with “Ensure condition failed: OutTM.isValid()”. Log files unhelpful

Development Platform & Builds
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1

I’m guessing it’s some kind of SkeletalMeshActor problem, but I have no idea about how to find this actor and how to fix it.

Error message was: 348202-cook-20210907-165906.txt (5.5 KB)