Highcharts error

[martinjankov]

The charts are not showing when I installed the plugin.

`Uncaught TypeError: r.attachEvent is not a function
at a.Chart.isReadyToRender (highcharts.js:13)
at a.Chart.firstRender (highcharts.js:13)
at a.Chart.init (highcharts.js:13)
at a.Chart.getArgs (highcharts.js:13)
at new a.Chart (highcharts.js:13)
at Object.a.chart (highcharts.js:13)
at HTMLDocument. (admin.php?page=codeable_transcactions_stats:1605)
at i (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core&ver=5.2.3:2)
at Object.fireWith [as resolveWith] (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core&ver=5.2.3:2)
at Function.ready (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core&ver=5.2.3:2)

`