diff --git a/openslides/utils/exceptions.py b/openslides/utils/exceptions.py
new file mode 100644
index 000000000..e858ae45b
--- /dev/null
+++ b/openslides/utils/exceptions.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+    openslides.utils.exceptions
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Base Exception for OpenSlides.
+
+    :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
+    :license: GNU GPL, see LICENSE for more details.
+"""
+
+class OpenSlidesError(Exception):
+    pass