The following packages have unmet dependencies: sdcc-dbgsym : Depends: sdcc (= 4.2.0~osmocom3.113.9edd) but 4.5.0+dfsg-1 is to be installed E: Unable to correct problems, you have held broken packages. E: The following information from --solver 3.0 may provide additional context: Unable to satisfy dependencies. Reached two conflicting decisions: 1. sdcc:amd64=4.2.0~osmocom3.113.9edd is not selected for install 2. sdcc:amd64=4.2.0~osmocom3.113.9edd is selected for install because: 1. sdcc-dbgsym:amd64=4.2.0~osmocom3.113.9edd is selected for install 2. sdcc-dbgsym:amd64 Depends sdcc (= 4.2.0~osmocom3.113.9edd)