Index: branches/5.3.x/core/kernel/kbase.php
===================================================================
diff -u -N -r15698 -r15902
--- branches/5.3.x/core/kernel/kbase.php	(.../kbase.php)	(revision 15698)
+++ branches/5.3.x/core/kernel/kbase.php	(.../kbase.php)	(revision 15902)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: kbase.php 15698 2013-02-19 11:33:17Z alex $
+* @version	$Id: kbase.php 15902 2013-07-12 15:37:15Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -121,7 +121,13 @@
 	 */
 	public function __toString()
 	{
-		return 'ClassName: ' . get_class($this) . '; PrefixSpecial: ' . $this->getPrefixSpecial();
+		$ret = 'ClassName: ' . get_class($this);
+
+		try {
+			$ret .= '; PrefixSpecial: ' . $this->getPrefixSpecial();
+		} catch (Exception $e) {}
+
+		return $ret;
 	}
 }
 
@@ -898,26 +904,26 @@
 	 *
 	 * @param string $field
 	 * @return string
-	 * @access protected
+	 * @access public
 	 */
-	abstract protected function GetDBField($field);
+	abstract public function GetDBField($field);
 
 	/**
 	 * Checks of object has given field
 	 *
 	 * @param string $name
 	 * @return bool
-	 * @access protected
+	 * @access public
 	 */
-	abstract protected function HasField($name);
+	abstract public function HasField($name);
 
 	/**
 	 * Returns field values
 	 *
 	 * @return Array
-	 * @access protected
+	 * @access public
 	 */
-	abstract protected function GetFieldValues();
+	abstract public function GetFieldValues();
 
 	/**
 	 * Populates values of sub-fields, based on formatters, set to mater fields
@@ -1097,19 +1103,19 @@
 	 * Returns true, when list/item was queried/loaded
 	 *
 	 * @return bool
-	 * @access protected
+	 * @access public
 	 */
-	abstract protected function isLoaded();
+	abstract public function isLoaded();
 
 	/**
 	 * Returns specified field value from all selected rows.
 	 * Don't affect current record index
 	 *
 	 * @param string $field
 	 * @return Array
-	 * @access protected
+	 * @access public
 	 */
-	abstract protected function GetCol($field);
+	abstract public function GetCol($field);
 }