Error 0x8007213E

Value: -2147016386 | 0x8007213E | 2147950910

What does it mean ?

ERROR_DS_CANT_CREATE_UNDER_SCHEMA  
An object of this class cannot be created under the schema container. You can only create attribute-schema and class-schema objects under the schema container.
Value: 8510 | 0x213E | 0b0010000100111110

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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