This Error pops up in your packaging process:
This seems to be related to System.ArgumentException: An item with the same key has already been added - #13 by linden1029
Browsing through the suggestions you may be able to do one of the following
- Search for a duplicate of the TwinmotionToUnrealContent (e.g. existing in your Engine and your Project) and decide for one version to keep
- Delete Binaries, Intermediate and Saved Folder and rebuild
- Create a new project and migrate the content
Did you mean to write UE2.1.1 or 5.2 as your Engine Build is UE5+Release-5.2?