Error 0x80510004

Value: -2142175228 | 0x80510004 | 2152792068

What does it mean ?

OPC_E_PART_CANNOT_BE_DIRECTORY  
The part name of one part is a segment in the path of the part name of another part. An example would be a part named "path/dirorfile/file.txt" and a part named "path/dirorfile".
Value: 4 | 0x0004 | 0b0000000000000100

Where does it come from ?

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

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