The only way I was able to recreate this bug was by using a custom mirror (i.e. not an official ubuntu mirror) in my /etc/apt/sources.list file. Could you execute the following command in a terminal:
grep cz /usr/share/python-apt/templates/Ubuntu.mirrors
Thanks in advance!
The only way I was able to recreate this bug was by using a custom mirror (i.e. not an official ubuntu mirror) in my /etc/apt/ sources. list file. Could you execute the following command in a terminal:
grep cz /usr/share/ python- apt/templates/ Ubuntu. mirrors
Thanks in advance!