Docker install on clean Debian 10 causes error

After installing Docker 19.03 on a clean updated Debian 4.19.67 I am experiencing some problems with the package managers apt/aptitude. Interestingly, the docker installation is working fine, even though the installation ended on the same error note. When I now run apt-get upgrade (post update) as root, I get the following response: [email protected]:/home/sdittmar# apt-get upgrade…

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