ORA-19171
        FORG0007: invalid argument to aggregate function
        
        
        Cause
        An error occurred during the processing of the XQuery expression.
        Action
        Check the detailed error message for the possible causes.
        
     
    
    
        ORA-19171
        FORG0007: invalid argument to aggregate function
        
        
        Cause
        An error occurred during the processing of the XQuery expression.
        Action
        Check the detailed error message for the possible causes.
        
     
    
    
        ORA-19171
        FORG0007: invalid argument to aggregate function
        
        
        Cause
        An error occurred during the processing of the XQuery expression.
        Action
        Check the detailed error message for the possible causes.