Chartjs-Cannot create Chart using Chart.JS @ 2.9.4

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The problem is most likely that you have the chart inside a template, which causes it not to be rendered in the moment that you are running the jQuery selector and constructing the chart.

jQuery will always return a value even if no objects have been found. So your check will always say that a context has been found. To fix this, you have to check the length of the jQuery result:

var ctx = $("#groupPerformanceChart");
if (ctx.length <= 0) {
  console.log("Context not available");
  return;
}
else {
  console.log("Context available", ctx)
}

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