W: GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures were invalid: EXPKEYSIG 23E7166788B63E1E Yarn Packaging <[email protected]> E: The repository 'https://dl.yarnpkg.com/debian stable InRelease' is not signed. code example
Example: W: GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures were invalid: EXPKEYSIG 23E7166788B63E1E Yarn Packaging
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -