Bom Interface --- using API --- bom_bo_pub.process_bom--error

Hi All,

For bom interface i am using the API  'bom_bo_pub.process_bom'.

i am able to create  single bill of material using api in interface.

If i tried to create the more than bill of materials,  the first bom in staging is getting created but remaining boms are not created and api throwing below error .

"Records in a business object must have the same key values. Not all records in this business object are having the same key values. Please ensure that the assembly item name, organization code and alternate designator values are the same for all records in this business object".