I received the following error while attempting to upload multiple images into a gallery, and then publish the post.
Notice: Undefined index: action in .../public_html/wp-content/plugins/watermark-reloaded/watermark-loader.php on line 14 Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in .../public_html/wp-includes/functions.php on line 3466 Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/watermark-reloaded/watermark-loader.php:14) in .../public_html/wp-includes/pluggable.php on line 934