Summary
Full Synchronisation fails between Bitbucket and Crowd due to multiple users with the same External ID
Steps to Replicate
More details can be found in the initial bug CWD-5182
Expected Outcome
Bitbucket should be able to manage this scenario and surface more information about the issue.
Actual Results
Full synchronization between Bitbucket and Crowd fails
Solution
Upgrade Embedded Crowd in order to benefit from the improvements that were implemented to better handle this edge case