Error 0x00043622

Value: 276002 | 0x00043622 | 276002

What does it mean ?

The Full Text Engine's input queue is full. This batch has been accepted for processing; however, the Full Text Engine will soon go into a forced paused state until the queue is less full.
Value: 13858 | 0x3622 | 0b0011011000100010

Where does it come from ?

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