Cannot install attractmode in PopOS x64 21.10

[sotris99]

Hello to the community. Ihave the problem below

Log started at: Sat Apr 9 02:40:53 PM EEST 2022

RetroPie-Setup version: 4.8 (2182fc6)
System: x86 (x86_64) - Pop!_OS 21.10 - Linux pop-os 5.16.15-76051615-generic #202203161444~1647964027~21.10~e706226 SMP PREEMPT Tue Mar 22 17 x86_64 x86_64 x86_64 GNU/Linux

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Installing dependencies for 'attractmode' : Attract Mode emulator frontend
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Did not find needed dependencies: libavresample-dev. Trying to install them now.
Reading package lists...
Building dependency tree...
Reading state information...
Package libavresample-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libavresample-dev' has no installation candidate
Could not install package(s): libavresample-dev.

Log ended at: Sat Apr 9 02:40:53 PM EEST 2022
Total running time: 0 hours, 0 mins, 0 secs

[mitu]

Looks like the missing package has been removed from Ubuntu 21.10 (it's still present in Debian stable). I assume _Pop!OS is an Ubuntu spin, right ?

[mitu]

Try updating RetroPie-Setup and installing attractmode again.