I'm trying to install the gnome software centre but its is giving me this error in terminal
sudo apt-get install gnome-software
Reading package lists... Done
Building dependency tree
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:
gnome-software : Depends: appstream but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
I have used synaptic package manager. But no broken packages shown.