Error 0x800720A7

Value: -2147016537 | 0x800720A7 | 2147950759

What does it mean ?

ERROR_DS_CLASS_MUST_BE_CONCRETE  
The class of the object must be structural; you cannot instantiate an abstract class.
Value: 8359 | 0x20A7 | 0b0010000010100111

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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