Here is an answer to your question that hopefully you find helpful!
The following SCCM versions are supported for the upgrade to 2010:
1906, 1910, 2002, or 2006.
To update to 2010, we must use version 1906 or later. So we may firstly update to 1906.
Here are articles for reference:
https://www.prajwaldesai.com/sccm-2010-upgrade-guide/ (Third-party link, just for your reference.)
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