SAP Message /SPE/ID_HANDLING052 - No output UOM spec. for calc. of cumulative quantity for SA &1, item &2

Diagnosis
No desired output unit of measure has been specified for the calculationof the cumulative quantity in transit or cumulative quantity received(based on inbound deliveries) for scheduling agreement &1, item2.

System Response
The system calculates the cumulative quantity for scheduling agreement1, item 2 with respect to the order unit of measure.