I am doing poc (proof of concept) to check zoom charts performance. Is license requried to develop same pie chart, when i tried to create sample pie chart i am getting below errors.
1) license key was not found on the page. Please make sure ZoomChartsLicense and ZoomChartsLicenseKey variables are correctly set before initializing the chart. []
2)ZoomCharts license used on this page does not allow use of PieChart. Please upgrade your license on https://zoomcharts.com []
Can you tell me is development is free or not, to do sample charts is license requried, if not how can resolve above errors.