Error 0x80510027

Value: -2142175193 | 0x80510027 | 2152792103

What does it mean ?

OPC_E_DS_MISSING_SIGNATURE_PROPERTY_ELEMENT  
The SignatureProperty child element of the SignatureProperties element was not found.
Value: 39 | 0x0027 | 0b0000000000100111

Where does it come from ?

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

Other Errors for FACILITY_OPC