This is defect 55501 (I just subscribed you to this defect).
Let's discuss it there.

BTW, what version of Team Concert are you currently using, and did you
recently upgrade (and if so, from what previous version)?

Unfortunately, the only workaround I found was to create a new
sync-stream for that ClearCase stream, and re-import the projects I
needed from ClearCase.

Note: If you have any changes to those projects in the Jazz repository
that haven't yet been sync'ed back to ClearCase, that's OK, just do the
following:
- create the new sync stream.
- import the projects from ClearCase into the new sync stream.
- change the flow-target of the merge workspace of the new sync stream
to be the old sync stream
- accept all changes from the old sync stream into the new merge
workspace("auto-resolve" should handle most, if not all, of the conflicts).
- change the flow-target of the new merge workspace back to be the new
sync stream
- deliver all changes from the new merge workspace to the new sync stream
- do a sync

Cheers,
Geoff

marko wrote:

Hi

Any ideas on how the following can be resolved (the sync was working
fine but at somepoint during today it broke)?


Synchronization exception: Could not: doMerge for
location:
Workspace|URI:itemOid/com.ibm.team.scm.Workspace/_7k4wQB3EEd2HOen15rOWBg
Caused by: Only one baseline per component may be
specified
Caused by: Only one baseline per component may be
specified