Error Displying Chart in User Control Panel - Front End

-- HikaShop version -- : 2.6.4
-- Joomla version -- : 3.6.5
-- PHP version -- : 5.x
-- Browser(s) name and version -- : firefox
-- Error-message(debug-mod must be tuned on) -- : chart display: Not enough columns given to draw the requested chart

How can one adjust the required number of columns to display chart on User Control panel?