ORA-18161
        FTST0002 - FTUnaryNot operator not supported
        
        
        Cause
        An implementation that enforces one of the restrictions on FTUnaryNot must raise a static error if a full-text query does not obey the restriction.
        Action
        Do not use the FTUnaryNot full-text query operator.
        
     
    
    
        ORA-18161
        FTST0002 - FTUnaryNot operator not supported
        
        
        Cause
        An implementation that enforces one of the restrictions on FTUnaryNot must raise a static error if a full-text query does not obey the restriction.
        Action
        Do not use the FTUnaryNot full-text query operator.
        
     
    
    
        ORA-18161
        FTST0002 - FTUnaryNot operator not supported
        
        
        Cause
        An implementation that enforces one of the restrictions on FTUnaryNot must raise a static error if a full-text query does not obey the restriction.
        Action
        Do not use the FTUnaryNot full-text query operator.