Index: trunk/core/units/categories/categories_config.php
===================================================================
diff -u -r2284 -r2819
--- trunk/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 2284)
+++ trunk/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 2819)
@@ -79,7 +79,12 @@
 									            'PopItem' => Array('type' => 'int','not_null' => '1','default' => '2'),
 									            'Modified' => Array('type' => 'int','not_null' => '1','default' => '0'),
 									            'ModifiedById' => Array('type' => 'int','not_null' => '1','default' => '0'),
-									        ),							    
+									        ),
+									        
+					'VirtualFields'		=>	Array(
+													'CurrentSort'	=>	Array('type' => 'string', 'default' => ''),
+											),
+										
 					'Grids'	=> Array(
 								'Default'		=>	Array(
 																	'Icons' => Array('default'=>'icon16_cat.gif'),