Index: trunk/kernel/include/category.php
===================================================================
diff -u -r1215 -r1348
--- trunk/kernel/include/category.php	(.../category.php)	(revision 1215)
+++ trunk/kernel/include/category.php	(.../category.php)	(revision 1348)
@@ -741,7 +741,8 @@
 
     function ParseObject($element)
     {
-        global $objConfig, $objCatList, $rootURL, $var_list, $var_list_update, $m_var_list_update, $objItemTypes,$objCountCache;
+        global $objConfig, $objCatList, $rootURL, $var_list, $var_list_update, $m_var_list_update, $objItemTypes,$objCountCache, $objUsers;
+        
         $extra_attribs = ExtraAttributes($element->attributes);
         
         //print_r($element);
@@ -861,8 +862,19 @@
                 {
                     $field = "user_login";
                 }
-                $u = $objUsers->GetUser($this->Get("CreatedById"));
-                $ret = $u->parsetag($field);
+                 
+                $userId = $this->Get("CreatedById");                
+                if (!empty($userId) && ($userId > 0))
+                {
+	                $u =& $objUsers->GetItem($userId);
+	                if (is_object($u))
+	                {                	
+	                	$ret = $u->parsetag($field);	
+	                }
+                }
+	            else
+	            	$ret = " ";        
+	            	
             break;
             case "custom":
                 /*
@@ -1600,7 +1612,7 @@
       	if($no_limit == false)
       	{
       	    $this->FixInvalidPage($fix_method);
-      	    $Start = ($this->Page-1) * $PerPage;
+      	    $Start = !empty($this->Page)? (($this->Page-1) * $PerPage) : 0;
       	    $limit = "LIMIT ".$Start.",".$PerPage;
       	}
       	else