The following signatures couldn't be verified because the public key is not available

Hi, I’m not able to use influxdb repos in any of debian/ubuntu distr.:

deb [signed-by=/etc/apt/trusted.gpg.d/influxdb.gpg] https://repos.influxdata.com/debian bullseye stable
Get:6 https://repos.influxdata.com/debian bullseye InRelease [7,022 B]                                                        
Err:6 https://repos.influxdata.com/debian bullseye InRelease                                                                     
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D8FF8E1F7DF8B07E
     
Reading package lists... Done
W: GPG error: https://repos.influxdata.com/debian bullseye InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D8FF8E1F7DF8B07E
E: The repository 'https://repos.influxdata.com/debian bullseye InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

my mistake, i use old keys, sorry