fixed wrong variable

lib/python/Products/ZCatalog/ZCatalog.py

@@ -469,7 +469,7 @@ class ZCatalog(Folder, Persistent, Implicit):
                 obj = self.resolve_url(p, REQUEST)
             if obj is None:
                 LOG.error('reindexIndex could not resolve '
-                          'an object from the uid %r.' % (uid))
+                          'an object from the uid %r.' % p)
             else:
                 # don't update metadata when only reindexing a single
                 # index via the UI