What exactly is wrong with this chart?

I am trying to insert this pie chart in the Web Page using Frappe Charts, I directly linked it via the unpkg link.

The chart is not getting rendered on the screen and it shows no errors.

Here is the code :

 		abcl_amount_ytd=[];
                abcil_amount_ytd=[];
                abcl_tax_ytd=[];
		abcil_tax_ytd=[];
		labels_ytd=["A", "B", C", "D"];

                jQuery.each(r.message.ytd, function(i, val) {
                    abcl_amount_ytd.push(val.service_amount_abcl);
                    abcil_amount_ytd.push(val.material_amount_abcil);
                    abcl_tax_ytd.push(val.total_abcl_tax);
		    abcil_tax_ytd.push(val.total_abcil_tax);
					debugger;
                });
                
                debugger;
				let pieChartData = {
					labels: labels_ytd,
					datasets: [
						{
							title: "ABCL Amount",
							values: abcl_amount_ytd
						},
						{
							title: "ABCL Tax",
							values: abcil_amount_ytd
						},
						{
							title: "ABCIL Amount",
							values: abcl_tax_ytd
						},
						{
							title: "ABCIL Tax",
							values: abcil_tax_ytd
						}
					]
				};
                debugger;
				let pieChart = new Chart(pc,{
					data: pieChartData,
					type: 'pie',
					height: 190,
					title: "Sales Till Date",
					colors: ["#C3F73A","#95E06C","#68B684","#094D92"]
                });