Error 0x80040D72

Value: -2147218062 | 0x80040D72 | 2147749234

What does it mean ?

GTHR_E_CONTENT_ID_CONFLICT  
A duplicate of this document was detected, and the document will be retried. If this problem persists, recreate the content index.
Value: 3442 | 0x0D72 | 0b0000110101110010

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

StackOverflow

Other Errors for FACILITY_ITF