Error 0x80071731

Value: -2147018959 | 0x80071731 | 2147948337

What does it mean ?

ERROR_NONCORE_GROUPS_FOUND  
This cluster cannot be destroyed. It has non-core application groups which must be deleted before the cluster can be destroyed.
Value: 5937 | 0x1731 | 0b0001011100110001

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