Error 0x8004008B

Value: -2147221365 | 0x8004008B | 2147745931

What does it mean ?

IO_LOST_DELAYED_WRITE_NETWORK_DISCONNECTED  
{Delayed Write Failed} Windows was unable to save all the data for the file %2; the data has been lost. This error may be caused by network connectivity issues. Please try to save this file elsewhere.
Value: 139 | 0x008B | 0b0000000010001011

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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