@ltdonova,
From the error shown above, it seems the HTML DOM container with id chartContainerL
is not loaded when the chart is created. Can you kindly create a sample project reproducing the issue you are facing and share it with us over Google-Drive or Onedrive along with the JSON/sample data so that we can run it locally to understand the scenario better and help you out?
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Indranil Deo
Team CanvasJS