When a blueprint interface asset is duplicated in the Content browser, UEdGraph::GraphGuid will not be regenerated so the two graphs will end up sharing the same GUID. This causes problems for any code that relies on the GUID - such as the way that Anim Layer Interfaces are validated to ensure that they valid in UAnimationGraphSchema::ConformAnimLayersByGuid().
This issue was reported on this [Link Removed] which talks about the effect on Anim Layer Interfaces but the issue can also be replicated with Blueprint Interface assets.
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-109286 in the post.
0 |
Component | UE - Gameplay - Blueprint |
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Affects Versions | 4.26 |
Created | Feb 24, 2021 |
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Resolved | Feb 26, 2021 |
Updated | Mar 1, 2024 |