SAP Message CACSIB191 - Subobject &/& for business object &/& is unknown (rebundling)

Diagnosis
You want to rebundle the specified subobject from one business object toanother. However, this subobject does not exist (anymore) in the issuingsubobject.

System Response
No action is possible. The commission case is pending.

Procedure
Check the ID of the subobject and the issuing business object. Youshould also check that the subobject was actually in the issuingbusiness object at the time of the rebundle (business object startdate).