When trying to edit custom primitive data on static meshes attached to a BP actor, an out of bounds access will occur. This does not occur when the static mesh is simply on a regular Actor (Same repro steps, but instead of a BP Class simply drag in a Cube Shape from placement menu and attach the same material).
See steps in document from second comment
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-146806 in the post.
| 8 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 5.0 |
| Target Fix | 5.4 |
| Fix Commit | 28268271 |
|---|---|
| Main Commit | 28268282 |
| Created | Mar 22, 2022 |
|---|---|
| Resolved | Sep 27, 2023 |
| Updated | Oct 11, 2023 |