There is a conflict with Disqus Comment Plugin that results “Headers already sent by” error. There are also strict standard errors observed after installing WP No External Links plugin but they are not serious issues, I just ignore them.
When I try to publish or update a post, the following error is given on my browser. There is no problem in front-end of my blog, errors are shown only in back-end, admin area.
Strict Standards: Only variables should be assigned by reference in /home/valeforu/public_html/wp-content/plugins/disqus-comment-system/disqus.php on line 1239 Warning: Cannot modify header information - headers already sent by (output started at /home/valeforu/public_html/wp-content/plugins/disqus-comment-system/disqus.php:1239) in /home/valeforu/public_html/wp-admin/post.php on line 233 Warning: Cannot modify header information - headers already sent by (output started at /home/valeforu/public_html/wp-content/plugins/disqus-comment-system/disqus.php:1239) in /home/valeforu/public_html/wp-includes/pluggable.php on line 890
The last two errors seem to caused by Disqus plugin; however, there was no such error before I installed WP No External Links.
I have deactivated all the plugins one by one and observed that this warnings are shown only when WP No External Links plugin is activated.
I really love this plugin but at the moment it gives me headache – Any idea how to fix this problem?
My blog url is candanblog.com, in case you need it.
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