Error 0x80510012

Value: -2142175214 | 0x80510012 | 2152792082

What does it mean ?

OPC_E_INVALID_RELATIONSHIP_TARGET  
The Target attribute of a relationship does not conform to the rules specified in the OPC.
Value: 18 | 0x0012 | 0b0000000000010010

Where does it come from ?

FACILITY_OPC  
Open Connectivity Service (Package Consumption)
Value: 81 | 0x051 | 0b01010001

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