Error 0x80042701

Value: -2147211519 | 0x80042701 | 2147755777

What does it mean ?

EXSTOREPH_E_UNEXPECTED  
An unexpected error occurred in the exstore protocol handler. Contact Microsoft Product Support.
Value: 9985 | 0x2701 | 0b0010011100000001
VDS_E_NAME_NOT_UNIQUE  
The name is not unique.
Value: 9985 | 0x2701 | 0b0010011100000001

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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