The solution of Maya exporting obj to sp without identifying group information

Today, I encountered a very painful problem. After grouping, I exported obj and baked it in sp. in any case, I could not read the mesh ID of the object, as shown in the figure.

Unable to read the mesh ID. the error baking result is as follows: . Although I haven’t figured out the reason now, there is a good solution.

That’s it—————————————

Don’t use obj, just FBX.

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