Error 0x80042469

Value: -2147212183 | 0x80042469 | 2147755113

What does it mean ?

VDS_S_GPT_BOOT_MIRRORED_TO_MBR  
You have mirrored your boot volume on a GPT disk, to an MBR disk. You will not be able to boot your machine from the secondary plex.
Value: 9321 | 0x2469 | 0b0010010001101001

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

StackOverflow

Other Errors for FACILITY_ITF