Error 0x8004257E

Value: -2147211906 | 0x8004257E | 2147755390

What does it mean ?

VDS_E_CRITICAL_PLEX  
The specified plex is a the current system or boot plex.
Value: 9598 | 0x257E | 0b0010010101111110

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

Other Errors for FACILITY_ITF