Apexcharts-card error - nordpool

Configuration Frontend
1

trying to get this working:
Im trying to get price now and for the next day to show up.

type: custom:apexcharts-card
header: null
title: Kraftpris, i dag og i morgen
show: true
graph_span: 2d
span: null
start: day
apex_config: null
dataLabels: null
enabled: false
stroke: null
width: 2
yaxis: null
min: 0
decimals: 3
tick_amount: 4
now:
  show: true
  label: Nå
series:
  - entity: sensor.strompriser
    name: Energipris
    type: line
    curve: stepline
    color: green
    float_precision: 3
    extend_to_end: false
    show: null
    legend_value: false
    data_generator: |
      let today = entity.attributes.raw_today.map((entry) => {
      return [new Date(entry.start), (entry.value)];
      });
      let tomorrow = entity.attributes.raw_tomorrow.map((entry) => {
      return [new Date(entry.start), (entry.value)];
      });
      if(tomorrow[0])
      {
      return today.concat(tomorrow);
      }
      return today; 
```
2

error:

where the following error occurred:
apexcharts-card version 2.0.2 /// value.series[0] is not a ChartCardSeriesExternalConfig value.series[0].show is not a ChartCardSeriesShowConfigExt; value.series[0].show is not an object value.series[0].extend_to_end is extraneous value.series[0].legend_value is extraneous value.series[0].extend_to_end is extraneous value.series[0].legend_value is extraneous value.span is not a ChartCardSpanExtConfig; value.span is not an object value.show is not an object