MP510-30更新時顯示以下錯誤訊息,想請問一下該怎麼解決
An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repo.mysql.com/apt/debian bookworm InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY B7B3B788A8D3785C
Failed to fetch http://repo.mysql.com/apt/debian/dists/bookworm/InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY B7B3B788A8D3785C
Some index files failed to download. They have been ignored, or old ones used instead.