SAP Message WOG016 - Collective purchase order: error during PO generation (&1)

Diagnosis Collective purchase order processing was called from perishablesplanning. Errors occurred during purchase order generation. System Response A system activity could not be executed. Procedure See the error log created by the system. For further information, seethe documentation for collective purchase orders. Procedure for System Administration Technical details: function module W_FRM_GENERATE_PO.