Unhandled exception occurred: 'Repository' object has no attribute 'lookup_submodule'

Process completed with exit code 1.

Configuration: Config(github=<GitHub [token ghp_...]>, source_repository=<Repository [planetarium/NineChronicles.Headless]>, ref=<Reference [refs/heads/release/222]>, targets={<Repository [planetarium/NineChronicles.DataProvider]>: <Repository Branch [release/222]>}, committer=pygit2.Signature('Submodule Updater', 'engineering+submodule-updater@planetariumhq.com', 1733107831, 0, None), dry_run=False, pr_title_format='Update {submodule_repository.name} to {submodule_ref_name}', pr_description_format='*This pull request was automatically generated by Submodule Updater.*\n\nIt updates the submodule referring to [*{submodule_repository.name}*]({submodule_repository.html_url}) to {submodule_ref_type} *{submodule_ref_name}* ({submodule_repository.full_name}@{submodule_commit.sha}).\n')

Updating planetarium/NineChronicles.DataProvider:release/222...

Cloning planetarium/NineChronicles.DataProvider:release/222 to /tmp/tmpl199350r...