Index: branches/unlabeled/unlabeled-1.8.2/core/units/permissions/permissions_tag_processor.php
===================================================================
diff -u -N -r5552 -r5614
--- branches/unlabeled/unlabeled-1.8.2/core/units/permissions/permissions_tag_processor.php	(.../permissions_tag_processor.php)	(revision 5552)
+++ branches/unlabeled/unlabeled-1.8.2/core/units/permissions/permissions_tag_processor.php	(.../permissions_tag_processor.php)	(revision 5614)
@@ -67,9 +67,15 @@
 			
 			$perm_live_table = $this->Application->getUnitOption('c-perm', 'TableName');
 			$perm_temp_table = $this->Application->GetTempName($perm_live_table);
-						
-			$categories = explode('|', substr($category->GetDBField('ParentPath'), 1, -1));
-			if (count($categories) == 1) {
+
+			if ($category->GetID() == 0) {
+				$categories = Array(0);
+			}
+			else {
+				$categories = explode('|', substr($category->GetDBField('ParentPath'), 1, -1));
+			}
+			
+			if (count($categories) == 1 || $category->GetID() == 0) {
 				// category located in root category ("Home") => then add it to path virtually
 				array_unshift($categories, 0);
 			}