A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value.

This behavior also exists on CL 32426910 of Release-5.4.

Steps to Reproduce

1. Download the attached test project and open.
2. Open the material "M_Crashy"
3. Select and copy the Curve Atlas Row Parameter Expression "Param_Crashy"
4. Paste the copied expression
5. Observe the check.

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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-210558 in the post.

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CreatedMar 25, 2024
UpdatedMar 29, 2024