Can't login to Messages ("An unknown error occurred")

TonyRush wrote:

I'm using the latest Macbook Pro (M2) running Ventura 13.4.1 and cannot login to Messages.

Each time I try, I get an error message that says, "An unknown error occurred". (Such an unhelpful error message; seems like something one would find on a Windows machine instead of a Mac.)

Has anyone run into this? Any solutions?

Thanks in advance

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