Neither one or the other. It means that no DCP was created by Rt team or user and shipped with Rawtherapee. In this case, auto-matched camera profile is inactive.
Auto-matched Tone curve is a function available if an embedde jpeg is available
color matrix from dcraw or camconst.json (if it exists) is used if camera standard is selected
At the momoent, no specific issue is raised, so:
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First try to process photo and if you have an issue, you can get help here. see Getting Started - RawPedia
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If you are not happy with the basic input color profile, you can use DCP profile for the camera shipped by adobe with
adobe DNG convertersee How to get LCP and DCP profiles - RawPedia -
If you are still not happy with Adobe DCP , then you will raise an issue to ask how to generate applicable data (camconst.json and DCP)