Install aptdaemon-data by entering the following commands in the terminal:
sudo apt update sudo apt install aptdaemon-data
data files for clients
Aptdaemon is a transaction based package management daemon. It allows normal users to perform package management tasks, e.g. refreshing the cache, upgrading the system, installing or removing software packages. . This package provides common data files (e.g. icons) for aptdaemon clients.