Index: trunk/core/units/categories/categories_config.php
===================================================================
diff -u -N -r8015 -r8082
--- trunk/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 8015)
+++ trunk/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 8082)
@@ -236,8 +236,8 @@
 									            'CachedNavbar'				=>	Array('type' => 'string', 'formatter' => 'kMultiLanguage', 'default' => null),
 									            'CreatedById'				=>	Array('type' => 'int', 'formatter' => 'kLEFTFormatter', 'options' => Array(-1 => 'root', -2 => 'Guest'),'left_sql'=>'SELECT %s FROM '.TABLE_PREFIX.'PortalUser WHERE `%s` = \'%s\'', 'left_key_field' => 'PortalUserId', 'left_title_field' => 'Login', 'not_null' => 1,'default' => 0),
 									            'ResourceId'				=>	Array('type' => 'int', 'default' => null),
-									            'ParentPath'				=>	Array('type' => 'string', 'not_null' => 1, 'default' => ''),
-									            'NamedParentPath'			=>	Array('type' => 'string', 'not_null' => 1, 'default' => ''),
+									            'ParentPath'				=>	Array('type' => 'string', 'default' => null),
+									            'NamedParentPath'			=>	Array('type' => 'string', 'default' => null),
 									            'MetaDescription'			=>	Array('type' => 'string', 'default' => null),
 									            'HotItem'					=>	Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array (2 => 'la_Auto', 1 => 'la_Always', 0 => 'la_Never'), 'use_phrases' => 1,  'not_null' => 1, 'default' => 2),
 									            'NewItem'					=>	Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array (2 => 'la_Auto', 1 => 'la_Always', 0 => 'la_Never'), 'use_phrases' => 1,  'not_null' => 1, 'default' => 2),