Npm error

when I tried to look at the solution for codestrip project
Codestrips | Codecademy

I am not able to run npm install !
pls help :grinning:

found 0 vulnerabilities
npm ERR! code 128
npm ERR! An unknown git error occurred
npm ERR! command git --no-replace-objects ls-remote ssh://git@github.com/RyzacInc/structuredjs.git
npm ERR! git@github.com: Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.
npm ERR!
npm ERR! Please make sure you have the correct access rights
npm ERR! and the repository exists.
npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\drnar\AppData\Local\npm-cache\_logs\2021-07-24T10_56_20_510Z-debug.log
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