Error 0x80510043

Value: -2142175165 | 0x80510043 | 2152792131

What does it mean ?

OPC_E_DS_SIGNATURE_REFERENCE_MISSING_URI  
The URI attribute is required for a Reference element but is missing.
Value: 67 | 0x0043 | 0b0000000001000011

Where does it come from ?

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

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