Error 0x80072122

Value: -2147016414 | 0x80072122 | 2147950882

What does it mean ?

ERROR_DS_BACKLINK_WITHOUT_LINK  
The schema update operation tried to add a backward link attribute that has no corresponding forward link.
Value: 8482 | 0x2122 | 0b0010000100100010

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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