how to this error ArgumentException: An item with the same key has already been added. Key: Plastic

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1

Please help and i also get this with it An item with the same key has already been added. Key: Lightmap-0_comp_light.exr and i deleted all the lightmaps

2

Hi, could you check the details in this thread: Plastic scm an item with same key has already been added key:

There is a proposed workaround. We are currently working on debugging and fixing the problem.