SAP Message BRAIN391 - InfoCube &1 was switched to 'Load'; it is not possible to save it

Diagnosis
During the planning session, the load mode of the InfoCube was switchedfrom 'Plan' to 'Load'.

System Response
It is no longer possible to save the data that was changed in thisplanning session; the buffered data changes were discarded.

Procedure
Check the settings of the InfoCube and restart the planning applicationto enter planning data.