ORA-18180
        wrong argument is passed to XMLTABLE row expression using PASSING BY REF clause
        
        
        Cause
        An XML document that was not stored in an XMLType table or column was passed to an XMLTABLE row expression using the PASSING BY REF clause.
        Action
        Ensure that only XML documents that are stored in an XMLType table or column can be passed in as input to XMLTABLE row expression using the PASSING BY REF clause.
        
     
    
    
        ORA-18180
        wrong argument is passed to XMLTABLE row expression using PASSING BY REF clause
        
        
        Cause
        An XML document that was not stored in an XMLType table or column was passed to an XMLTABLE row expression using the PASSING BY REF clause.
        Action
        Ensure that only XML documents that are stored in an XMLType table or column can be passed in as input to XMLTABLE row expression using the PASSING BY REF clause.
        
     
    
    
        ORA-18180
        wrong argument is passed to XMLTABLE row expression using PASSING BY REF clause
        
        
        Cause
        An XML document that was not stored in an XMLType table or column was passed to an XMLTABLE row expression using the PASSING BY REF clause.
        Action
        Ensure that only XML documents that are stored in an XMLType table or column can be passed in as input to XMLTABLE row expression using the PASSING BY REF clause.