Warning Remote Host Identification Has Changed

I get this error when I try to use ssh pi@octopi.local

My first Octoprint went off without a hitch. My 2nd attempt not so much.
I believe my computer remembers my first Pi and won't let me connect to my 2nd one because it thinks it has changed,
How do I dismiss the error?
Thanks Norm
P.S. I have no experience with code of any kind. Just a YouTube follower.

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What did you already try to solve it?

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Have you tried running in safe mode?

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Did running in safe mode solve the problem?

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Systeminfo Bundle

You can download this in OctoPrint's System Information dialog ... no bundle, no support!)

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Additional information about your setup

OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible

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Are both RPi systems still in service? If so, then one of them needs a hostname change. If not, then the warning is just telling you what you already know, this is a new RPi with the "old" hostname. You should be given the option to accept the new identification.

I changed the first pi host name to Ender3 because that is what it is supporting. I want to change the host name of the 2nd one to SV01 because that is what i want to use it on.
The only way i know (You Tube) to change the host name is to connect to it with A SSH command and go into the config utility.

If you know a easy way to get to the pi config utility without using my windows terminal that would be great.

ssh-keygen -R octopi.local

should remove the offending key for octopi.local.

OK thanks. I poked around until i found the offending file opened it with note++ and deleted the only line of text in the file. After that it worked. Thanks everyone for your help.

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