Error 0x8051002E

Value: -2142175186 | 0x8051002E | 2152792110

What does it mean ?

OPC_E_DS_MISSING_PACKAGE_OBJECT_REFERENCE  
The signature markup is missing a Reference to the package-specific Object element.
Value: 46 | 0x002E | 0b0000000000101110

Where does it come from ?

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

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