The user has added a property to material expressions input node that has a complex expression in its "EditCondition" which isn't supported and results in a crash.
Investigate adding support to this feature.
From UDN:
[Link Removed]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-178302 in the post.
| 2 |
| Component | UE - Rendering Architecture - Materials |
|---|---|
| Affects Versions | 5.1 |
| Target Fix | 5.8 |
| Created | Feb 23, 2023 |
|---|---|
| Updated | Oct 6, 2025 |