Error 0x8004270B

Value: -2147211509 | 0x8004270B | 2147755787

What does it mean ?

VDS_E_ASSOCIATED_LUNS_EXIST  
LUNs are associated with the specified target and must first be deassociated before the target can be deleted.
Value: 9995 | 0x270B | 0b0010011100001011

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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