On an Ubuntu Desktop system (which had not been updated for a while) I was able to recreate this by trying to install libc6:i386.
...
Processing triggers for libc-bin (2.31-0ubuntu9) ...
E: Could not configure 'libc6:i386'.
E: Could not perform immediate configuration on 'libgcc-s1:i386'. Please see man 5 apt.conf under APT::Immediate-Configure for details. (2)
Interestingly no apport crash report was generated.
On an Ubuntu Desktop system (which had not been updated for a while) I was able to recreate this by trying to install libc6:i386.
... Configure for details. (2)
Processing triggers for libc-bin (2.31-0ubuntu9) ...
E: Could not configure 'libc6:i386'.
E: Could not perform immediate configuration on 'libgcc-s1:i386'. Please see man 5 apt.conf under APT::Immediate-
Interestingly no apport crash report was generated.