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GeNa Pro Known Issues


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This thread contains information about known issues in GeNa Pro, ideally also with instructions on how to resolve them.

Scenes built with GeNa Pro start to throw Error messages related to Undo/Redo, even when GeNa Pro is not present

Applies to: GeNa Pro, exact version number not known.

Symptoms: When performing certain actions in a scene, e.g. assigning a material, an error message appears: "Exception: Detected neither redo nor undo operation!" with the stack trace pointing to GeNa code. This message appears even when GeNa is not present in the scene.

Cause: This seems to be caused by differences in undo handling in the newer unity versions. 

Fix: Please download this file, rename it so that it ends in ".unitypackage" and install it in the project.


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