Unreal Engine Issues

UE-191206

WorldPartitionRenameDuplicateBuilder rename breaks soft object refs

WorldPartitionRenameDuplicateBuilder rename breaks soft object refs

Description

Renaming map using builder will break soft obj refs and warnings will also appear in the log:

Warning: Serialized Class /Script/Engine.World for a property of Class /Script/Engine.Actor. Reference will be nullptred.    Property = SoftObjectProperty /Game/ActorWithSoftRef.ActorWithSoftRef_C:SoftRef    Item = World /Game/SoftRefsIssueRename.SoftRefsIssueRenameWarning: Serialized Class /Script/Engine.World for a property of Class /Script/Engine.Actor. Reference will be nullptred.    Property = SoftObjectProperty /Game/ActorWithSoftRef.ActorWithSoftRef_C:SoftRef    Item = World /Game/SoftRefsIssueRename.SoftRefsIssueRename
Steps to Reproduce

Repro project provided from UDN:

  • Open `SoftRefIssueRename` map.
  • Check that `ActorWithSoftRef` and `ActorWithSoftRef2` have soft obj refs to each other.
  • Close and then run WorldPartitionRenameDuplicateBuilder:
    • UnrealEditor.exe "WPDupBugs.uproject" "/Game/DuplicateActorIssue" -run=WorldPartitionBuilderCommandlet -builder=WorldPartitionRenameDuplicateBuilder -NewPackage=/Game/DuplicateActorIssueRename -Rename
  • Open map and check the actors.
  • The refs are now `none`

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-191206 in the post.

1
Login to Vote
Unresolved
ComponentUE - World Creation - Worldbuilding Tools - World Partition
Target Fix5.8
CreatedJul 26, 2023
UpdatedOct 6, 2025
View Jira Issue