问Javascript/D3.js中未定义或空引用的属性“value”

EN

//Button to create a D3.js chart with a custom dataset called waterdata
 <script>
     $("#testButton2").click(function () {
        /////
        console.log("click update chart 2")
        console.log(waterdata); //--> print JSO fine and without errors
        console.log(JSON.stringify(waterdata)); //--> Prints JSO fine truncated in IE but without error
        $(".chart").empty(); //--> clear chart container, if chart already there

        updateChart(waterdata, ".chart"); //--> here somehow the object seems broken

});
</script>


//The method / line of the error as shown in console
function add_to_stack(data, year, stack_year, direction,   query_direction, categories, count, x_pos, y_pos) {

 var new_list = [], current_data = {};

var fill_colors = { start: "#054696", in1: "#587521", in2: "#587521", out1: "#e63e2e", out2: "#e63e2e" };

current_data = data.filter(function (d) { return d.Year == year && d.Direction == query_direction });
for (c in categories) {
    //Für jede Kategorie eine Row
    if (direction == "down") {
        //für down y_pos Subtraktion erfolgt zuerst
        y_pos -= current_data[0][categories[c]];
    }
    new_list.push({  // --> this is indicated as error line in the console
        stack: stack_year + "_" + direction,
        increment: count,
        category: categories[c],
        value: current_data[0][categories[c]],
        position: y_pos,
        state: current_data[0].State,
        year: year,
        fill_color: fill_colors[query_direction],
        x_pos: x_pos
    });
    if (direction == "up") {
        //für up y pos anschliessend addieren
        y_pos += current_data[0][categories[c]];
    }
    count += 1;
};
return [new_list, count, y_pos];
}

//structure of the data
//created by complex calculation in dataSetCreation.js
waterdata = [
    {
    Year: "2016",
    Direction: "start",
    State: "31.12.2015",
    Wes_3J: wes_3J_2015_c,
    Wes_2_3J: wes_2_3J_2015_c,
    Wes_1_2J: wes_1_2J_2015_c,
    Wes_0_1J: wes_0_1J_2015_c,
    Mod_3J: mod_3J_2015_c,
    Mod_2_3J: mod_2_3J_2015_c,
    Mod_1_2J: mod_1_2J_2015_c,
    Mod_0_1J: mod_0_1J_2015_c
},
{
    Year: "2016",
    Direction: "in1",
    State: "reopened",
    Wes_3J: wes_3J_off_2016_c,
    Wes_2_3J: wes_2_3J_off_2016_c,
    Wes_1_2J: wes_1_2J_off_2016_c,
    Wes_0_1J: wes_0_1J_off_2016_c,
    Mod_3J: mod_3J_off_2016_c,
    Mod_2_3J: mod_2_3J_off_2016_c,
    Mod_1_2J: mod_1_2J_off_2016_c,
    Mod_0_1J: mod_0_1J_off_2016_c
}
,
{
    Year: "2016",
    Direction: "in2",
    State: "new",
    Wes_3J: wes_3J_new_2016_c,
    Wes_2_3J: wes_2_3J_new_2016_c,
    Wes_1_2J: wes_1_2J_new_2016_c,
    Wes_0_1J: wes_0_1J_new_2016_c,
    Mod_3J: mod_3J_new_2016_c,
    Mod_2_3J: mod_2_3J_new_2016_c,
    Mod_1_2J: mod_1_2J_new_2016_c,
    Mod_0_1J: mod_0_1J_new_2016_c
}
  ,
{
    Year: "2016",
    Direction: "out2",
    State: "Verz",
    Wes_3J: wes_3J_verz_2016_c,
    Wes_2_3J: wes_2_3J_verz_2016_c,
    Wes_1_2J: wes_1_2J_verz_2016_c,
    Wes_0_1J: wes_0_1J_verz_2016_c,
    Mod_3J: mod_3J_verz_2016_c,
    Mod_2_3J: mod_2_3J_verz_2016_c,
    Mod_1_2J: mod_1_2J_verz_2016_c,
    Mod_0_1J: mod_0_1J_verz_2016_c
}
 ,
{
    Year: "2016",
    Direction: "out1",
    State: "Abs",
    Wes_3J: wes_3J_abs_2016_c,
    Wes_2_3J: wes_2_3J_abs_2016_c,
    Wes_1_2J: wes_1_2J_abs_2016_c,
    Wes_0_1J: wes_0_1J_abs_2016_c,
    Mod_3J: mod_3J_abs_2016_c,
    Mod_2_3J: mod_2_3J_abs_2016_c,
    Mod_1_2J: mod_1_2J_abs_2016_c,
    Mod_0_1J: mod_0_1J_abs_2016_c
}];