What does this error message mean?
E:Type 'ppa:kiwixteam/ppa' is not known on line 52 in source list /etc/apt/sources.list,
E:The list of sources could not be read.,
E:The package lists or status file could not be parsed or opened.
The problem seems to be the ppa
in your sources
Try removing it by using the following steps.
Use the following command to edit the sources.list
file:
sudo nano /etc/apt/sources.list
Then remove the ppa:kiwixteam/ppa
located at the line 52
Save the file: Press and hold Ctrl. While holding Ctrl press X. Let go of Ctrl and press Y
Then run the following command to re-synchronize the package index files:
sudo apt-get update