Index: trunk/core/units/general/helpers/permissions_helper.php
===================================================================
diff -u -N -r8446 -r8450
--- trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 8446)
+++ trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 8450)
@@ -137,10 +137,10 @@
 			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
 			$ci_table = $this->Application->getUnitOption('ci', 'TableName');
 
-			$sql = 'SELECT '.$id_field.', CreatedById, ci.CategoryId
+			$sql = 'SELECT item_table.'.$id_field.', item_table.CreatedById, ci.CategoryId
 					FROM '.$table_name.' item_table
 					LEFT JOIN '.$ci_table.' ci ON ci.ItemResourceId = item_table.ResourceId
-					WHERE '.$id_field.' IN ('.$ids.') AND (ci.PrimaryCat = 1)';
+					WHERE item_table.'.$id_field.' IN ('.$ids.') AND (ci.PrimaryCat = 1)';
 			return $this->Conn->Query($sql, $id_field);
 		}
 
@@ -174,7 +174,7 @@
 				// item being created -> check by current (before editing started, saved in OnPreCreate event) category permissions
 				$category_id = $this->Application->IsAdmin() ? $this->Application->RecallVar('m_cat_id') : $this->Application->GetVar('m_cat_id');
 			}
-			elseif ($top_prefix == 'c') {
+			elseif ($top_prefix == 'c' || $top_prefix == 'st') {
 				$category_id = $id;
 			}
 			else {