Failed to update getting this message. run-apt-get(24692): E: Type ‘sudo’ is not known on line 6 in source list /etc/apt/sources.list
[2019-05-22 13:04 BST] child process 24692 exited with status EXIT 100
[2019-05-22 13:04 BST] run-apt-get(24692): E: The list of sources could not be read.
Your sources.list is broken for some reason. Pretty sure that’s not something that piaware would have touched.
Can you show the output of this command:
cat /etc/apt/sources.list