Try also with smaller data range

apps/coin_info/app.js

@@ -65,6 +65,7 @@ function getChart() {
             const apiData = JSON.parse(data.resp);
             tknChrtData = apiData.map(innerArray => innerArray[1]);
             logFile.write("Chart data:" + JSON.stringify(tknChrtData));
+            tknChrtData = [1,2,3,4,5,6,7,8,9,8,7,6,5,4,];
             currLoadMsg = "";
         })
         .catch(err => {