Error 0x8004281F

Value: -2147211233 | 0x8004281F | 2147756063

What does it mean ?

The volume could not be extended because it is locked by BitLocker. Unlock the volume and retry the operation.
Value: 10271 | 0x281F | 0b0010100000011111

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