Repository ubuntu server 18.04 no release file found

[erik470]

No release file found for repository

error information

On running apt update:

• Err:5 http://ppa.launchpad.net/zfs-native/stable/ubuntu bionic Release
  404 Not Found [IP: 91.189.95.83 80]
• E: The repository 'http://ppa.launchpad.net/zfs-native/stable/ubuntu bionic Release' does not have a Release file.

System information

• Ubuntu (server) 18.04.2 LT

Misc

I hope this is the right place to post this ?!

If something is missing or you want more information ask away.

Thanks in advance!