Error 0xC038004C

Value: -1070071732 | 0xC038004C | 3224895564

What does it mean ?

ERROR_VOLMGR_VOLUME_RETAINED  
The specified volume already has a retain partition.
Value: 76 | 0x004C | 0b0000000001001100

Where does it come from ?

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

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