i have a site that i updated and after updating it is showing error .. need to fix that it is a simple site no custom coding
Warning: Cannot modify header information - headers already sent by (output started at /home/siteurl/public_html/content12134/themes/idstore/[login to view URL]) in /home/siteurl/public_html/content12134/plugins/iq-block-country/libs/[login to view URL] on line 268
Error like that