Line Chart not displayed caused by Alpine Error Exception

// OrdersChart
return [
            'datasets' => [
                'label' => 'Bestellungen',
                'data' =>  $data->map(fn (TrendValue $value) => $value->aggregate),
            ],
            'labels' => $data->map(fn (TrendValue $value) => $value->date),
        ];

Alpine Expression Error: s.data.datasets.forEach is not a function

Expression: "function () {
            this.initChart(), this.$wire.$on("updateChartData", ({data: i}) => {
                mn = this.getChart(), mn.data = i, mn.update("resize")
            }), Alpine.effect(() => {
                Alpine.store("theme"), this.$nextTick(() => {
                    this.getChart().destroy(), this.initChart()
                })
            }), window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", () => {
                Alpine.store("theme") === "system" && this.$nextTick(() => {
                    this.getChart().destroy(), this.initChart()
                })
            })
        }"