perl-Class-Accessor-Chained from openSUSE:Backports:SLE-15-SP7 project
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For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP7/standard/openSUSE:Backports:SLE-15-SP7.repo zypper refresh zypper install perl-Class-Accessor-Chained