remote error: upload-pack: not our ref af9f352fc1906f73672e340e7731c4352e270c59

Fetched in submodule path 'backend/notification/src/main/resources/config', but it did not contain af9f352fc1906f73672e340e7731c4352e270c59. Direct fetching of that commit failed.

The process '/usr/bin/git' failed with exit code 128