update issue

Hello. I downloaded the upgrad files from xenforo, upload it on my forum and the message above still appear on my homepage. Why is that?

hi I recently updated from XF 1.4.x and I been getting these issues in the Admin panel some times but its constantly showing on the main page Template Errors: forum_list Invalid argument supplied for foreach() in /home/User/public_html/forums/library/XenForo/Template/Abstract.php(265) ...