Description

When duplicating a collapsed blueprint graph which has a node with a custom Exec pin, this results in blueprint compilation error that a duplicate named pin is found. Duplicated exec pins aren't assigned unique names (nor guid, it seems).

User that reported the bug suggested a fix as well, see linked case. I've made a short repro vid too, see attachments.

Steps to Reproduce
  • Have a collapsed node
  • Collapsed node contains a node with a custom exec output pin
  • Internal custom-exec-output-pin node should be connected to the execution flow, so that it gets compiled.
  • Copy-paste the collapsed node. Both original and copied node should be part of the execution flow, so that they both get compiled.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-161200 in the post.

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Unresolved
ComponentUE - Gameplay - Blueprint Editor
Affects Versions5.0
Target Fix5.2
CreatedAug 17, 2022
UpdatedAug 26, 2022