Gentoo's Bugzilla –
Attachment 866799 Details for
Bug 911558kde-plasma/plasma-sdk-5.27.7: KF5DocToolsMacros.cmake:203 (add_custom_target): add_custom_target cannot create target "po-ca-docs-plasma-sdk-engineexplorer-plasmaengineexplorer-1" because another target with the same name already exists