Error 0x8004281A

Value: -2147211238 | 0x8004281A | 2147756058

What does it mean ?

VDS_E_LUN_DISK_NOT_READY  
The SHRINK operation against the selected LUN cannot be completed. The current state of the disk associated with the LUN is NOT READY.
Value: 10266 | 0x281A | 0b0010100000011010

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

Other Errors for FACILITY_ITF