cobbler from systemsmanagement:Uyuni:Stable:Patches project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Stable:Patches/openSUSE_Leap_15.4/systemsmanagement:Uyuni:Stable:Patches.repo zypper refresh zypper install cobbler