Clear error after first not working. [WSL2]

[ntaken]

Describe the bug
The copied command do not seems to work.

    # Uncomment the following line to automatically clear errors after showing
    # them once. This not only clears the error for powerline-go, but also for
    # everything else you run in that shell. Don't enable this if you're not
    # sure this is what you want.

    #set "?"

To Reproduce
Steps to reproduce the behavior:

1. Uncomment #set "?" to set "?" in .bashrc

and from different shell (like powershell) restart Ubuntu

2. wsl -terminate Ubuntu

3. Open again Ubuntu

4. Produce a error and press enter

5. The errors will keep repeting till you insert a successful command.

Expected behavior
Errors should stop repeting after showing once.

Environment (please complete the following information):

• OS: Ubuntu 20.04
• Architecture: amd64
• Shell: Bash
• WSL2