* committed patch from #1484775

program/steps/mail/upload.inc

@@ -36,6 +36,8 @@ if (!is_array($_SESSION['compose']['attachments']))
 
 $response = '';
 
+if (is_array($_FILES['_attachments']['tmp_name']))
+  {
   foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
     {
     $tmpfname = tempnam($temp_dir, 'rcmAttmnt');
@@ -75,7 +77,7 @@ foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
       $OUTPUT->command('display_message', $msg, 'error');
       }
     }
-
+  }
 
 // send html page with JS calls as response
 $OUTPUT->command('show_attachment_form', false);