Missing parent Issue error

Symptoms

An issue does not get synchronized and appears in the troubleshooting section with the category Missing parent Issue error and a message like Unable to retrieve parent issue for this subtask: XXXX

Cause

Sometimes Backbone is unable to get parent issue information for a subtask – therefore, Backbone is not able to send updates to the partner side.

Resolution

Click Resync on the troubleshooting screen to try to resync the missing information for this specific issue.