is this archive already deactivated or can I add a new key and continue w/ the sury updates ...
or should these sources be removed completely right now?
Code
- W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packages.sury.org/php stretch InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743
- W: Failed to fetch https://packages.sury.org/php/dists/stretch/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743
- W: Some index files failed to download. They have been ignored, or old ones used instead.