Error 0x80040D0A

Value: -2147218166 | 0x80040D0A | 2147749130

What does it mean ?

GTHR_E_CONFIG_DUP_PROJECT  
A duplicate index entry exists in the registry. No other indexes are affected, but it is recommended that the duplicate entry be deleted.
Value: 3338 | 0x0D0A | 0b0000110100001010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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