fixed error msg for create backRef view

SE/se-lib/RefConfig.php

@@ -277,7 +277,7 @@ class RefConfig {
 		// $refConfig = self::getRefConfig($childNs, $rootTypeName); // NOTE: Uwaga getRefConfig recurence loop
 		$refConfig = self::fetch($childNs, $rootTypeName);
 		if ('WAITING' == $refConfig->status || $refConfig->version < self::$REF_TABLE_VERSION) {
-			throw new Exception("Error: Install/Update ref table from {$objectNamespace} to {$childTypeName} first");
+			throw new Exception("Error: Install/Update ref table from {$childNs} to {$rootTypeName} first");
 		}
 		$backRefTable = $refConfig->tableName;
 		DBG::log($backRefTable, 'array', "ACL::getRefTable({$childNs}, {$rootTypeName})");