Your git-forge project is not allowed to use the configured @fedora-llvm-team/llvm-snapshot-builder Copr project.

Please, add this git-forge project github.com/fedora-llvm-team/llvm-snapshots to Packit allowed forge projectsin the Copr project settings. ---
Do you maintain a Fedora package and don't have access to the upstream repository? Packit can help. Take a look here to know more.