سلام من برای نصب اسنپ کد زیر را میزنم

sudo apt install snapd

خطا میدهد

Reading package lists... Done

Building dependency tree... Done

Reading state information... Done

Package snapd 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 'snapd' has no installation candidate

ممنون میشم