Error 0x8004231E

Value: -2147212514 | 0x8004231E | 2147754782

What does it mean ?

VSS_E_MAXIMUM_DIFFAREA_ASSOCIATIONS_REACHED  
Maximum number of shadow copy storage associations already reached.
Value: 8990 | 0x231E | 0b0010001100011110

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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