After installing tixon template ....
the error i get on the blogpost are as follows
Warning: Missing argument 1 for Helix3::addCSS(), called in /home/olaazco1/public_html/olaaz1/templates/shaper_tixon/html/com_content/category/blog.php on line 21 and defined in /home/olaazco1/public_html/olaaz1/plugins/system/helix3/core/helix3.php on line 622
please attend to it as it is urgent.
Thanks