Index: branches/RC/core/units/categories/cache_updater.php
===================================================================
diff -u -r9286 -r9335
--- branches/RC/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 9286)
+++ branches/RC/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 9335)
@@ -189,6 +189,8 @@
 
 			// cache widely used values to speed up process: begin
 			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			/* @var $ml_helper kMultiLanguageHelper */
+
 			$this->languageCount = $ml_helper->getLanguageCount();
 			$this->primaryLanguageId = $this->Application->GetDefaultLanguageId();
 			// cache widely used values to speed up process: end
@@ -209,6 +211,26 @@
 			}
 		}
 
+		/**
+		 * Checks if language with specified id is created
+		 *
+		 * @param int $language_id
+		 * @return bool
+		 */
+		function LanguageFound($language_id)
+		{
+			static $language_ids = null;
+
+			if (!isset($language_ids)) {
+				$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+				/* @var $ml_helper kMultiLanguageHelper */
+
+				$language_ids = $ml_helper->languagesIDs;
+			}
+
+			return in_array($language_id, $language_ids) || $language_id <= 5;
+		}
+
 		function InitUpdater()
 		{
 			$this->Stack = new clsRecursionStack();
@@ -390,6 +412,9 @@
 
 			$i = 1;
 			while ($i <= $this->languageCount) {
+				if (!$this->LanguageFound($i)) {
+					continue;
+				}
 				$fields_hash['l'.$i.'_CachedNavbar'] = implode('&|&', $data['titles'][$i]);
 				$i++;
 			}