While doing some stuff on the admin page (update a page, delete a plugin) the following error is displayed:
Warning: Cannot modify header information – headers already sent by (output started at /…/…/htdocs/wp-content/plugins/ungallery/configuration_menu.php:302) in /…/…/htdocs/wp-includes/pluggable.php on line 890
UnGallery Version 1.4.4
Hope you can fix this. Thank you.
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