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HI Tejashwini,Since the code is not included in the question, it is difficult to suggest what exactly is going wrong.The error message "cannot read properties of undefined (reading 'length')" typically occurs when trying to access the length property of an undefined variable or object. This error suggests that the chart data might be undefined or not properly initialized.> Implement error handling and debugging mechanisms to catch and handle any exceptions or errors that occur during the rendering of the chart. Use console logs or Salesforce debug logs to inspect variable values, identify potential issues, and pinpoint the exact line where the error occurs.> Make sure that the chart is not being blocked by a security setting.> Make sure that the chart is not being hidden by another element on the page.> Make sure that the chart is not being overwritten by another chart.Related: https://stackoverflow.com/questions/7759231/google-charts-errorcannot-read-property-length-of-undefined-debugging-errorIf this information helps, please mark the answer as best. Thank you
