root@debian:~# apt install libnspr4-dbgsym:i386 libnspr4-dbgsym:amd64 -V
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:
 libnspr4-dbgsym : Conflicts: libnspr4-dbgsym:i386 but 2:4.32-1 is to be installed
 libnspr4-dbgsym:i386 : Conflicts: libnspr4-dbgsym but 2:4.32-1 is to be installed
E: Unable to correct problems, you have held broken packages.
root@debian:~#

This is very similar to https://bugs.debian.org/997386 which got resolved
in newer version.

Regards,
Witold

This is no longer a problem. For some time actually.

Please close.