Can't add chart in CRM 7.3.2

How to add in the report chart
When i click nothing happens but i already added fields and conditions

I have exactly the same problem on Version 7.11.10 installed on LWS server It seems to be in relation with : function() { loadChartLine({}); updateChartDimensionSelects(); } No chart line appears when we click on the button AOR_report module has 775 rights Somebody to help ? Please