Error 0x8004281C

Value: -2147211236 | 0x8004281C | 2147756060

What does it mean ?

VDS_E_LUN_NOT_READY  
The SHRINK operation against the selected LUN cannot be completed. The current state of the LUN is NOT READY.
Value: 10268 | 0x281C | 0b0010100000011100

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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