Ticket #14133: 14133.diff

wp-admin/includes/media.php

@@ -1162 +1162 @@
                 $thumb_url = false;
 
         $post = get_post( $attachment_id );
-
-        $default_args = array( 'errors' => null, 'send' => post_type_supports(get_post_type($post->post_parent), 'editor'), 'delete' => true, 'toggle' => true, 'show_title' => true );
+        
+        $default_args = array( 'errors' => null, 'send' => $post->post_parent ? post_type_supports( get_post_type( $post->post_parent ), 'editor' ) : true, 'delete' => true, 'toggle' => true, 'show_title' => true );
         $args = wp_parse_args( $args, $default_args );
         extract( $args, EXTR_SKIP );