Cryptsetup missing on one machine but present on another identical installation

Hello proxmox community,

I'm trying to install cryptsetup because it is missing for a reason that escape me and I'm getting the following error:

Package cryptsetup 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 'cryptsetup' has no installation candidate

Click to expand...

I am perplexed because I don't have this problem on another identical installation.

The debian versions...

Read more