In general, without code it is really hard to find issue, just copy your 'options on the fly' which reproduce issue, please.

However, most probably you are trying to add series for axis, which doesn't exists. For example:

yAxis: { },
series: [{ yAxis: 1 }] <-- obviously there is only one yAxis


export class xyzComponent implements OnInit {
  highcharts = Highcharts;
  title = 'myHighchart';
  chartConstructor = "chart";
  chartOptions: {};

ngOnInit() {
    this.chartOptions = {
        chart: {
            type: "spline"
        title: {
            text: 'Average Vegetation and Soil Moisture Index'


it's for Angualar 

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