hello People, i have problem with sending data back to OData from UI5,when doing create operation in application

hello  people ,

I am preparing one small practice application, where i am trying to enter values into 4 fields and add them to my database table (also displayed on scree in my application).

Please see the PIC attached of my base application i am trying to do.Just a starter

When i am trying to save the data entered into  the fields, it throws the error(when i do inspect element) as :

" POST http://dewdfcto021.wdf.sap.corp:1080/sap/opu/odata/SAP/ZUI5_APP1_SRV/testSet 500 (Internal Server Error)  "

please let me know what  to do ?

find my code for controller and view below :

CONTROLLER

onInit: function() {

  var oModel = new sap.ui.model.odata.ODataModel( "http://DEWDFCTO021.WDF.sap.corp:1080/sap/opu/odata/SAP/ZUI5_APP1_SRV",true);

  //Set the Model to the Table

  var oTable_M = sap.ui.getCore().byId("EMPTableID");

  oTable_M.setModel(oModel);

  // Filter the DATA

  //var FilterOperator = sap.ui.model.FilterOperator;

  //var filter = new sap.ui.model.Filter("EMPID",FilterOperator.EQ, "846453");

  //Bind the Data to the Table

  oTable_M.bindRows("/testSet", null, null,null );

},

  Create:function(){

  var oEmpID_var    = sap.ui.getCore().getControl("tEmpID").getValue();

        var oEmpName_var      = sap.ui.getCore().getControl("tEmpName").getValue();

        var oUserID_var  = sap.ui.getCore().getControl("tUserId").getValue();

        var oTeam_var   = sap.ui.getCore().getControl("tTeam").getValue();

        OData.request

        ({ 

            requestUri:"http://DEWDFCTO021.WDF.sap.corp:1080/sap/opu/odata/SAP/ZUI5_APP1_SRV/testSet('846453')", 

                  method : "GET", headers: 

                  {      

                 "X-Requested-With": "XMLHttpRequest",

                  "Content-Type": "application/atom+xml",

                "DataServiceVersion": "2.0",         

                "X-CSRF-Token":"Fetch"             

                                           }   },

               function (data,response)

               {

             header_xcsrf_token = response.headers['x-csrf-token'];

                OData.request

                ({ 

                requestUri:

                      "http://DEWDFCTO021.WDF.sap.corp:1080/sap/opu/odata/SAP/ZUI5_APP1_SRV/testSet", 

                           method: "POST",

                           headers: {   "X-Requested-With": "XMLHttpRequest",                       

                          "Content-Type": "application/atom+xml",

                               "DataServiceVersion": "2.0", 

                          "Accept": "application/atom+xml,application/atomsvc+xml,application/xml",

                          "X-CSRF-Token": header_xcsrf_token    }, 

                           data: 

                           { 

                        EMPID: oEmpID_var, 

                        EMPNAME: oEmpName_var,

                        USERID: oUserID_var,

                        TEAM: oTeam_var,

                }

                        },

                        function (data,response)

                          { 

                         document.location.reload(true);

                                           $("<div>Returned data " + window.JSON.stringify(data) + "</div>").appendTo($("#MessageDiv"));

                          }, 

                                 function (err) 

                                 {

                                      $("<div>Returned error " + window.JSON.stringify(err.response) + "</div>").appendTo($("#MessageDiv"));

                                 }

                );

      }, 

      function (err) 

                     {

                          var request = err.request; // the request that was sent.

                          var response = err.response; // the response that was received.

                          alert("Error in Get -- Request "+request+" Response "+response);

                     }

      );                     

  }

************************************

VIEW

            press:function() {

                            }});

});

*****************

Please don't mind the length of this post .

do let me know what should i do in this case.

Regards,

Amritansh