[50053] - Incomplete dimensions binding. error

Hi ,

     Please help me out to correct this error. I am getting  [50053] - Incomplete dimensions binding .

here is my code to fetch data from mysql. (it is fetching correctly) recived json data =

{"Details":[{"skill":"ABAP","count":"3"},{"skill":"BW","count":"2"},{"skill":"HANA","count":"1"},{"skill":"MEANSTACK","count":"1"},{"skill":"SAPUI5","count":"1"}]}

chart generating vizframe code  =

updateChart : function(){

  $.ajax({

       type:"post",

       dataType:"json",

       async:false,

       url:"http://localhost:8080/U-Plan/GetCompanyOverview",

       success:function(data)

       {

            alert('success data');

            var oModel = new sap.ui.model.json.JSONModel(data);

            var oDataset = new sap.viz.ui5.data.FlattenedDataset({

            'dimensions' : [ {

                      'name' : 'skill',

                      'value' : "{skill}"

            } ],

            'measures' : [

            {

                      'name' : 'count',

                      'value' : '{count}'

            } ],

            'data' : {

                      'path' : "/Details"

            }

       });

       var oVizFrame = sap.ui.getCore().byId("idoVizFrame1");

       oVizFrame.setDataset(oDataset);

       oVizFrame.setModel(oModel);

        // set feeds

        var feedPrimaryValues = new sap.viz.ui5.controls.common.feeds.FeedItem(

        {

                 'uid' : "primaryValues",

                 'type' : "Measure",

                 'values' : [ "Value" ]

         }), feedAxisLabels = new sap.viz.ui5.controls.common.feeds.FeedItem(

            {

                 'uid' : "axisLabels",

                 'type' : "Dimension",

                 'values' : [ "Category" ]

            });

            oVizFrame.addFeed(feedPrimaryValues);

            oVizFrame.addFeed(feedAxisLabels);

            oVizFrame.setVizType('column');    

            oVizFrame.setVizProperties({

            title : {

                 visible : true,

                 text : "Employee vs Technology",

            }

        });

        var chartPopover = new sap.viz.ui5.controls.Popover({});

        chartPopover.connect(oVizFrame.getVizUid());

       return;

       },

       error: function(data)

       { 

            alert('fail.');

       }

     });

  },

please find the attached error message...