Error 0x8051003A

Value: -2142175174 | 0x8051003A | 2152792122

What does it mean ?

OPC_E_MC_UNEXPECTED_CHOICE  
A Choice element was encountered after the Fallback element, or more than one Fallback element was encountered.
Value: 58 | 0x003A | 0b0000000000111010

Where does it come from ?

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

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