Message

The rim:Slot name "BuyerPartyIdentification" can only be used once.

Context
lcm:SubmitObjectsRequest/rim:RegistryObjectList/rim:RegistryObject/rim:Slot[@name='BuyerInformation']
Test
count(rim:Slot[@name='BuyerPartyIdentification']) < 2
Usage
/ lcm:SubmitObjectsRequest / rim:RegistryObjectList / rim:RegistryObject / rim:Slot@name=BuyerInformation / rim:Slot@name=BuyerPartyIdentification