SAP Message 60600 - Apportionment units for BE & and RU & currently blocked by &

Diagnosis
Apportionment units which belong to aspecific rental unit cannot beprocessed if just one of theapportionment units in the rental units are blocked.

System Response
The system stops and waits for you to enter another rental unit.

Procedure
Choose a rental agreement which belongs to another rental unit or tryto enter the same rental unit again at a later time.