Cant build project in unreal 5.7

Votes
0

Product:
Character Creator 5

Version:
5.05

Status:
Released in 5.06

Issue 12429

Cant build project in unreal 5.7

When using all in one unreal set up on a fresh project, if i try to package i get this error. Everything was done correctly and have tried in another fresh project.

UATHelper: Error: Cooking (Windows): LogProperty: Error: FStructProperty::Serialize Saving: Property 'StructProperty /Game/CC_Shaders/Utilities/CR_FaceExpRig.RigVMMemory_Work:RigVMModel___DISPATCH_RigVMDispatch_ArrayIterator_Element'. FallbackStruct structure.

OS: Windows 11

Bug Pipeline (Export/Import)Auto Setup for Unreal

Submitted byTumour Love 2026/01/09 14:49:42

COMMENTS (1)

Feedback Tracker Admin 2026/03/11 02:46:58

Hi Tumour Love,

We have released a hotfix version, Unreal Auto Setup 2.01, to address the "CR_FaceExpRig ERROR" encountered when packaging Unreal projects.

You can download it from the link below:
https://drive.google.com/file/d/1RzLqjAuLNtL1lTeWNT3aOa4Z9LgMzFJV/view?usp=sharing

Installation Instructions:
To ensure file integrity, please follow these steps before installing:

    1. Delete Existing Files: Navigate to the directory below and completely delete any existing Auto Setup files:

        C:\Program Files\Reallusion\Shared Plugins

    2. Clean Install: Install the v2.01 hotfix you just downloaded.

    3. Verification: Try packaging your project again.

Please let us know if this version resolves the issue.

Best regards,
Kayla
Reallusion