Error 0x8004254B

Value: -2147211957 | 0x8004254B | 2147755339

What does it mean ?

VDS_E_PLEX_REGENERATING  
The plex is regenerating.
Value: 9547 | 0x254B | 0b0010010101001011

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