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I'm not an expert Linux user and I'm facing a problem that blocks me from installing software.

When I try to install something, I always get:

You might want to run 'apt --fix-broken install' to fix this.
The following packages have unsatisfied dependencies:
 kdenlive : Depends: libmlt++7 (>= 7.4.0) but won't install
 libmlt7 : Depends: libmlt++7 (>= 7.4.0) but won't install
E: Unmet dependencies. Try 'apt --fix-broken install' without any packages (or specify a solution).

When I run apt --fix-broken install I get:

dpkg: error processing file /var/cache/apt/archives/libmlt++7_7.4.0-1+20.04+focal+release+build18_amd64.deb (--unpack):
 trying to overwrite '/usr/lib/x86_64-linux-gnu/libmlt++-7.so.7' which is also in the libmlt++-7-7 7.0.1-0xneon+20.04+focal+release+build13 package
Errors were encountered while processing:
 /var/cache/apt/archives/libmlt++7_7.4.[0-1+20.04+focal+release+build18_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

I'm really lost here and stuck. Help is appreciated.

matigo
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Eduardo Catarino
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  • Ubuntu 22.04 doesn't yet exist; it's currently the development release Ubuntu jammy and remains that until it reaches RC state which isn't expected until after 14 April 2022, and isn't on-topic here until release on 21 April 2022. https://discourse.ubuntu.com/t/jammy-jellyfish-release-schedule/23906 Please refer https://askubuntu.com/help/on-topic. For support issues with Ubuntu jammy you'll need to use a #ubuntu-next or #ubuntu+1 site (IRC, UF etc) – guiverc Mar 30 '22 at 21:31
  • If you wish to report bugs, firstly thank you for helping test the release, but please see https://help.ubuntu.com/community/ReportingBugs and use a #ubuntu+1 site such as IRC, https://ubuntuforums.org/ etc. This site isn't tracked for ubuntu+1 or #ubuntu-next issues Note: It's still in alpha with beta-freeze reached on 28-March, and beta release scheduled for 31-March-2022 You didn't provide release details; but package versions match jammy – guiverc Mar 30 '22 at 21:32
  • I the meanwhile I manage to solve the problem. – Eduardo Catarino Mar 31 '22 at 10:54
  • I the meanwhile I managed to solve the problem. I went to https://packages.debian.org/sid/amd64/libmlt7/download and added deb http://ftp.de.debian.org/debian sid main. After that I was able to solve the problem – Eduardo Catarino Mar 31 '22 at 11:19

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