in http://www.mysite.net/serendipity/serendipity_admin.php?serendipity[adminModule]=media

Warning: Supplied resource is not a valid File-Handle resource in /www/serendipity/include/functions_images.inc.php on line 1215


and in http://www.mysite.net/serendipity/serendipity_admin.php?serendipity ...