Followup r83140, fix undefined $id

diff --git a/includes/objectcache/ObjectCache.php b/includes/objectcache/ObjectCache.php
index eebff32..25d4d47 100644 (file)
--- a/includes/objectcache/ObjectCache.php
+++ b/includes/objectcache/ObjectCache.php
@@ -64,7 +64,7 @@ class ObjectCache {
                        $class = $params['class'];
                        return new $class( $params );
                } else {
-                       throw new MWException( "The definition of cache type \"$id\" lacks both " . 
+                       throw new MWException( "The definition of cache type \"" . print_r( $params, true ) . "\" lacks both " .
                                "factory and class parameters." );
                }
        }