Description

FBX file import freezes UE while trying to import into DataPrep by the Interchange importer.

The import will start, but then a message will pop up stating "Creating snapshot of world content ... "

This message does not go away, and freezes UE. 

Normal none DataPrep FBX import works just fine, but we need to use DataPrep. This used to work in UE 5.5.3

Steps to Reproduce

Steps to Reproduce

While using Unreal 5.5.4 Create an empty BP project, enable FBX import in DataPrep through interchange with:

Dataprep.Interchange.Producer 1
Interchange.FeatureFlags.Import.FBX 1
Interchange.FeatureFlags.Import.FBX.ToLevel 1 

FBX file by using Interchange Import in DataPrep

Callstack

Deadlock

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Fixed
Fix Commit40697676
CreatedMar 3, 2025
ResolvedMar 12, 2025
UpdatedMar 20, 2025
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