Error 0xC038000A

Value: -1070071798 | 0xC038000A | 3224895498

What does it mean ?

ERROR_VOLMGR_DISK_LAST_VOTER  
The specified disk(s) cannot be removed since it is the last remaining voter.
Value: 10 | 0x000A | 0b0000000000001010

Where does it come from ?

FACILITY_USERMODE_VOLMGR  
User mode volume manager
Value: 56 | 0x038 | 0b00111000

Other Errors for FACILITY_USERMODE_VOLMGR