Hello,
I'm running Ubuntu 22.04 Jammy on my raspberry 3+ model b and i have some error whith installation of packages. Repository "ppa:mutlaqja/ppa" is correctly added and present in my "/etc/apt/sources.list".
But gsc package is not found and indi-full got a lot of dependencies problems :
Gsc:

hamham@astroloutre:/var/lib/apt/lists$ sudo apt install gsc
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package gsc
If i'm checking ig gsc is present :
hamham@astroloutre:/var/lib/apt/lists$ grep ^Package /var/lib/apt/lists/ppa.launchpadcontent.net_mutlaqja_ppa_ubuntu_dists_jammy*_Packages | awk '{print $2}' | sort -u
gsc-data
indi-bin
# etc...
Should i install gsc-data instead ?

And for installation of indi-full
hamham@astroloutre:/var/lib/apt/lists$ sudo apt install indi-full
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 indi-full : Depends: libindi1 (>= 1.9) but it is not going to be installed
             Depends: indi-bin (>= 1.9) but it is not going to be installed
             Depends: indi-eqmod but it is not going to be installed
             Depends: indi-sx but it is not going to be installed
             Depends: indi-sbig but it is not going to be installed
             Depends: indi-gphoto but it is not going to be installed
             Depends: indi-qsi but it is not going to be installed
             Depends: indi-fishcamp but it is not going to be installed
             Depends: indi-maxdomeii but it is not going to be installed
             Depends: indi-ffmv but it is not going to be installed
             Depends: indi-qhy but it is not going to be installed
             Depends: indi-gpsd but it is not going to be installed
             Depends: indi-mi but it is not going to be installed
             Depends: indi-duino but it is not installable
             Depends: indi-fli but it is not going to be installed
             Depends: indi-nexdome but it is not going to be installed
             Depends: indi-gpsnmea but it is not going to be installed
             Depends: indi-mgen but it is not going to be installed
             Depends: indi-shelyak but it is not going to be installed
             Depends: indi-nightscape but it is not going to be installed
             Depends: indi-toupbase but it is not going to be installed
             Depends: indi-atik but it is not installable
             Depends: indi-starbook but it is not going to be installed
             Depends: indi-starbook-ten but it is not going to be installed
             Depends: indi-talon6 but it is not going to be installed
             Depends: indi-pentax but it is not going to be installed
             Depends: indi-celestronaux but it is not installable
             Depends: indi-sv305 but it is not going to be installed
             Depends: indi-playerone but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
hamham@astroloutre:/var/lib/apt/lists$ 
Thank you :)

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