Error 0x8000400F

Value: -2147467249 | 0x8000400F | 2147500047

What does it mean ?

CO_E_INIT_SCM_FILE_MAPPING_EXISTS  
The OLE service file mapping already exists
Value: 16399 | 0x400F | 0b0100000000001111

Where does it come from ?

FACILITY_NULL  
The default facility code
Value: 0 | 0x000 | 0b00000000

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Other Errors for FACILITY_NULL