Error 0x80510020

Value: -2142175200 | 0x80510020 | 2152792096

What does it mean ?

OPC_E_DS_MISSING_SIGNATURE_PART  
The specified Signature part does not exist in the package.
Value: 32 | 0x0020 | 0b0000000000100000

Where does it come from ?

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

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