Error 0x80510026

Value: -2142175194 | 0x80510026 | 2152792102

What does it mean ?

OPC_E_DS_MISSING_SIGNATURE_PROPERTIES_ELEMENT  
The SignatureProperties element was not found in the signature markup.
Value: 38 | 0x0026 | 0b0000000000100110

Where does it come from ?

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

Other Errors for FACILITY_OPC