[RHUI4] Error in syncing Red Hat repository. 'The repository metadata being synced into Pulp is erroneous in a way that makes it ambiguous (duplicate PKGIDs)'

Issue

• Error in syncing Red Hat repository.

# rhui-manager > synchronization status and scheduling > view the details of the last repository sync
:
Repo: Red Hat Enterprise Linux 9 for x86_64 - AppStream from RHUI (RPMs) (9)
  Start Time:     2022-10-14 11:35:06
  Finish Time:    2022-10-14 11:38:54
  Elapsed Time:   0:03:48.657991
  Result:         Error
  Exception:      The repository metadata being synced into Pulp is erroneous in a way that makes it ambiguous (duplicate PKGIDs), and therefore we do not allow it to be synced in 'mirror_complete' mode. Please choose a sync policy which does not mirror repository metadata.

Please read https://github.com/pulp/pulp_rpm/issues/2402 for more details.
  Traceback:        File "/usr/lib/python3.8/site-packages/pulpcore/tasking/pulpcore_worker.py", line 384, in _perform_task
    result = func(*args, **kwargs)
  File "/usr/lib/python3.8/site-packages/pulp_rpm/app/tasks/synchronizing.py", line 547, in synchronize
    repo_version = dv.create() or repo.latest_version()
  File "/usr/lib/python3.8/site-packages/pulpcore/plugin/stages/declarative_version.py", line 161, in create
    loop.run_until_complete(pipeline)
  File "/usr/lib64/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "/usr/lib/python3.8/site-packages/pulpcore/plugin/stages/api.py", line 225, in create_pipeline
    await asyncio.gather(*futures)
  File "/usr/lib/python3.8/site-packages/pulpcore/plugin/stages/api.py", line 43, in __call__
    await self.run()
  File "/usr/lib/python3.8/site-packages/pulp_rpm/app/tasks/synchronizing.py", line 823, in run
    await self.parse_repository_metadata(repomd, repomd_files)
  File "/usr/lib/python3.8/site-packages/pulp_rpm/app/tasks/synchronizing.py", line 874, in parse_repository_metadata
    await self.parse_packages(
  File "/usr/lib/python3.8/site-packages/pulp_rpm/app/tasks/synchronizing.py", line 1149, in parse_packages
    raise Exception(ERR_MSG.format("PKGIDs"))