[BUG]: xclip installed but "Error: failed to copy to clipboard: No clipboard utilities available"

[ReHoss]

What happened?

Can't copy commands to the clipboard with xclip. xclip is not recognised.

Versions

hosseinkhan@mecacpt80:~$ gh --version
gh version 2.6.0-15-g1a10fd5a (2022-03-16)
https://github.com/cli/cli/releases/latest

Relevant terminal output

hosseinkhan@mecacpt80:~$ gh copilot suggest "Undo the last commit"

Welcome to GitHub Copilot in the CLI!
version 1.0.5 (2024-09-12)

I'm powered by AI, so surprises and mistakes are possible. Make sure to verify any generated code or suggestions, and share feedback so that we can learn and improve. For more information, see https://gh.io/gh-copilot-transparency

? What kind of command can I help you with?
> generic shell command

Suggestion:                                                                                                                                    
                                                                                                                                               
  git revert HEAD --no-edit                                                                                                                    

? Select an option
> Copy command to clipboard

✗ Error: failed to copy to clipboard: failed to copy to clipboard: No clipboard utilities available. Please install xsel, xclip, wl-clipboard or Termux:API add-on for termux-clipboard-get/set.

hosseinkhan@mecacpt80:~$ dpkg -l | grep xclip
ii  xclip                                                  0.13-2                                        amd64        command line interface to X selections

[HiddenMachine3]

same problem