Man pages matching name parse::errorstring::perl::stackitem in section 3pm:

Parse::ErrorString::Perl::StackItem.3pm.en	debian 10 / libparse-errorstring-perl-perl
Parse::ErrorString::Perl::StackItem.3pm.en	debian 11 / libparse-errorstring-perl-perl
Parse::ErrorString::Perl::StackItem.3pm.en	debian 12 / libparse-errorstring-perl-perl