Error 0x800720B4

Value: -2147016524 | 0x800720B4 | 2147950772

What does it mean ?

ERROR_DS_OBJ_CLASS_NOT_SUBCLASS  
The specified class is not a subclass.
Value: 8372 | 0x20B4 | 0b0010000010110100

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

Other Errors for FACILITY_WIN32