Error 0x8051000B

Value: -2142175221 | 0x8051000B | 2152792075

What does it mean ?

OPC_E_DUPLICATE_PART  
A part with the specified part name already exists in the current package.
Value: 11 | 0x000B | 0b0000000000001011

Where does it come from ?

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

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