Update error - opera NO_PUBKEY

[Unforget]

sudo apt update

Hit:2 http://archive.canonical.com/ubuntu jammy InRelease                     
Get:3 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB]     
Hit:4 https://updates.signal.org/desktop/apt xenial InRelease                 
Hit:5 http://us.archive.ubuntu.com/ubuntu jammy InRelease                     
Hit:1 https://repo.linuxliteos.com/linuxlite fluorite InRelease   
Hit:6 http://us.archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:7 http://us.archive.ubuntu.com/ubuntu jammy-backports InRelease
Get:8 https://deb.opera.com/opera-stable stable InRelease [2416 B]
Err:8 https://deb.opera.com/opera-stable stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 11EE8C00B693A745
Fetched 131 kB in 1s (90,1 kB/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
122 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://deb.opera.com/opera-stable stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 11EE8C00B693A745
W: Failed to fetch https://deb.opera.com/opera-stable/dists.../InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 11EE8C00B693A745
W: Some index files failed to download. They have been ignored, or old ones used instead.

apt list --upgradable | grep opera

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

opera-stable/stable 118.0.5461.41 amd64 [upgradable from: 117.0.5408.197]

inxi -r

Repos:
  Active apt repos in: /etc/apt/sources.list
  1: deb http://us.archive.ubuntu.com/ubuntu/ jammy main restricted
  2: deb http://us.archive.ubuntu.com/ubuntu/ jammy-updates main restricted
  3: deb http://us.archive.ubuntu.com/ubuntu/ jammy universe
  4: deb http://us.archive.ubuntu.com/ubuntu/ jammy-updates universe
  5: deb http://us.archive.ubuntu.com/ubuntu/ jammy multiverse
  6: deb http://us.archive.ubuntu.com/ubuntu/ jammy-updates multiverse
  7: deb http://us.archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
  8: deb http://archive.canonical.com/ubuntu jammy partner
  9: deb http://security.ubuntu.com/ubuntu jammy-security main restricted
  10: deb http://security.ubuntu.com/ubuntu jammy-security universe
  11: deb http://security.ubuntu.com/ubuntu jammy-security multiverse
  Active apt repos in: /etc/apt/sources.list.d/linuxlite.list
  1: deb http://repo.linuxliteos.com/linuxlite/ fluorite main
  Active apt repos in: /etc/apt/sources.list.d/opera-stable.list
  1: deb https://deb.opera.com/opera-stable/ stable non-free #Opera Browser (final releases)
  Active apt repos in: /etc/apt/sources.list.d/signal-xenial.list
  1: deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main