Error 0x8004291E

Value: -2147210978 | 0x8004291E | 2147756318

What does it mean ?

The SHRINK operation against the selected LUN cannot be completed. The current state of the disk associated with the LUN is READ ONLY.
Value: 10526 | 0x291E | 0b0010100100011110

Where does it come from ?

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