This does not happen every time. It usually occurs right after bootstrapping, and disappears after relaunching the app and refreshing the package list.
This might happen if the SQLite database ever becomes out of sync with the apt/dpkg database. If one tries to operate on a package that apt/dpkg does not know about, there's a problem.
What steps will reproduce the problem?
from the package list, tap on a package item
What is the expected output?
information about the package, and the opportunity to install/remove/upgrade it
What do you see instead?
"error retrieving information about package"
Additional information about the bug:
This does not happen every time. It usually occurs right after bootstrapping, and disappears after relaunching the app and refreshing the package list.