I'm new and this might be stupid question but i just can't solve this.

E: The repository ' impish Release' does not have a Release file. 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. E: The repository ' impish Release' does not have a Release file. 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. 

Can you tell me how? Or at least what does it mean? Thank you

1

Reset to default