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Yes, for sure you will need a Windows 11 Pro activation key, windows 11 and Parallel are two different software, you can get one from Sftkey
this error code mean that you got a mismatch key, so, if you need a Windows 11 Pro key, you have a few options. You could buy one outright, but...
You can get a win11 pro key, sometimes this generic code can work on a upgraded system
check this https://www.reddit.com/r/bootcamp/comments/1dvhkq7/windows_11_pro_key/ what's work for bootcamp work for Parallels
