File "c:\Python26\lib\site-packages\django\db\models\base.py" in save_base
371. values = [(f, f.get_db_prep_save(raw and getattr(self, f.attname) or f.pre_save(self, True))) for f in meta.local_fields if not isinstance(f, AutoField)]
File "c:\Python26\lib\site-packages\django\db\models\fields\__init__.py" in get_db_prep_save
192. return self.get_db_prep_value(value)
File "c:\Python26\lib\site-packages\django\db\models\fields\__init__.py" in get_db_prep_value
671. return int(value)
Exception Type: ValueError at /admin/cms/page/add/
Exception Value: invalid literal for int() with base 10: ''