From edcd88b346d204e8be3caba238d9b0627bd2521c Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 22 Jul 2015 18:28:38 +0530
Subject: [PATCH] ...

---
 src/calibre/ebooks/oeb/polish/check/parsing.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/ebooks/oeb/polish/check/parsing.py b/src/calibre/ebooks/oeb/polish/check/parsing.py
index 3cee4197f8..7e8878e0d3 100644
--- a/src/calibre/ebooks/oeb/polish/check/parsing.py
+++ b/src/calibre/ebooks/oeb/polish/check/parsing.py
@@ -330,6 +330,7 @@ class DuplicateId(BaseError):
 
 class InvalidId(BaseError):
 
+    level = WARN
     INDIVIDUAL_FIX = _(
         'Replace this id with a randomly generated valid id')