Panels problem with changing the width of columns or regions Some times when I try to change the width of columns or regions with Fluid Width the panels displays the NAN% and it doesn't change the width



Using Firebug I got the following error



What should I do?



UPDATE

It only displays this javascript error in console in flexible-admin.js file

splitter.parent.css('padding-right', (splitter.right_padding + moved) + 'px');
I found it. when the current language of the site is rtl such error reported. it must be ltr