Index: branches/5.2.x/core/kernel/utility/logger.php
===================================================================
diff -u -N -r16660 -r16688
--- branches/5.2.x/core/kernel/utility/logger.php	(.../logger.php)	(revision 16660)
+++ branches/5.2.x/core/kernel/utility/logger.php	(.../logger.php)	(revision 16688)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: logger.php 16660 2021-01-05 08:52:12Z alex $
+* @version	$Id: logger.php 16688 2021-03-16 08:31:25Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2012 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -549,6 +549,9 @@
 					$ret[$key] = 'Class: ' . get_class($value);
 				}
 			}
+			elseif ( is_resource($value) ) {
+				$ret[$key] = (string)$value;
+			}
 			elseif ( strlen($value) > 200 ) {
 				$ret[$key] = substr($value, 0, 50) . ' ...';
 			}