Issue merging a branch: An error occurred while merging. Try again.

Summary

An user created an MR, got approvals, Ci passing. The merge doesn't work however.

Steps to reproduce

eclipse/oniro-core/oniro!329 (merged) When trying to merge we're getting: 'An error occurred while merging. Try again.'

What is the current bug behavior?

'An error occurred while merging. Try again.'

What is the expected correct behavior?

Should merge or report an error allowing to fix the issue

Relevant logs and/or screenshots

the link above

Impact

Blocking a developer from contributing