Some rpm files were missing.
Most likely, you want to create these signed copies.

Missing files:
/mnt/koji/packages/xcp-ng-pv-tools/7.41.0/5.xcpng8.0/data/signed/3fd3ac9e/noarch/xcp-ng-pv-tools-7.41.0-5.xcpng8.0.noarch.rpm