PDM standard: Data cards and .sldlfp files

I've setup a data card for .sldlfp (library feature parts), for our weldment profiles. We configure these profiles for different sizes, etc. When I first save the file, it creates the data card and all values are filled in properly, but when I check it in, the values disappear, as do the tabs for the configurations. If I check out the file, the values pop back in, but if I do a search in the vault, they return nothing. Any idea of what might be happening here?

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