Help - “Add correct host key in c://Users

New octoprint setup. I can see it on my network and octopi.local. I can control my printer. I can’t login to command prompt or Putty to add my LCD and Octoscreen. How do I add host key to my file? What is a host key?

Windows 10, OctoPrint 1.3.12, RasPi 3B+, Adafruit TFT 3.5”


Did you image your microSD from the OctoPi image or did you use some other method?

I used an SD card