Error 0x80042521

Value: -2147211999 | 0x80042521 | 2147755297

What does it mean ?

VDS_E_INVALID_PLEX_COUNT  
The plex count for the volume must be non-zero.
Value: 9505 | 0x2521 | 0b0010010100100001

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

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