Changes

     if ( check( edata, rel_A ) != undefined ) {

     if ( check( edata, rel_A ) != undefined ) {

       var current = get_Y_from_X( edata, rel_A );

       var current = get_Y_from_X( edata, rel_A );

       console.log( "parsed object " + current );

       console.log( "parsed object ")

      console.log( current );

       // check if we have rel_A relations and iterate through

       // check if we have rel_A relations and iterate through

       for( var i = 0; i < current.length; i++ ) {

       for( var i = 0; i < current.length; i++ ) {

         console.log("dived in " + current[i]);

         console.log("dived in ");

        console.log(current[i]);

         // check if we have controller id constructed from wbEntity  

         // check if we have controller id constructed from wbEntity  

         if ( check( current[i], rel_B ) != undefined ) {

         if ( check( current[i], rel_B ) != undefined ) {