I have been trying to log on to my site but have been displaying this message below;
Cannot modify header information – headers already sent by (output started at /home/impactwi/public_html/wp-content/plugins/twitter/widget_twitter_vjck.php:171) in /home/impactwi/public_html/wp-includes/pluggable.php on line 679
I have tried it severally to log on even to the back office (wordpress dashboard) but it keeps displaying the same message so I hadn’t access nw. What do I do urgently to rectify this problem please. my site is https://www.impactwithvicky.com/wp-admin
