Error 0x80040D40

Value: -2147218112 | 0x80040D40 | 2147749184

What does it mean ?

GTHR_E_INVALID_MAPPING  
The specified URL mapping is invalid. The "from"" mapping is empty, or the ""from"" mapping is the same as the ""to"" mapping. Specify a valid ""from"" mapping that differs from the ""to"" mapping.
Value: 3392 | 0x0D40 | 0b0000110101000000

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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