If you don't specify a "page" when creating a new redirect, the search filter in django admin will throw an error.
Here's the traceback:
Traceback (most recent call last):
File "/some/path//lib/python2.6/site-packages/django/core/handlers/base.py", line 100, in get_response
response = callback(request, _callback_args, *_callback_kwargs)
File "/some/path//lib/python2.6/site-packages/django/contrib/admin/options.py", line 288, in wrapper
return self.admin_site.admin_view(view)(_args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/utils/decorators.py", line 76, in _wrapped_view
response = view_func(request, _args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/views/decorators/cache.py", line 78, in _wrapped_view_func
response = view_func(request, _args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/contrib/admin/sites.py", line 190, in inner
return view(request, _args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/utils/decorators.py", line 21, in _wrapper
return decorator(bound_func)(_args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/utils/decorators.py", line 76, in _wrapped_view
response = view_func(request, _args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/utils/decorators.py", line 17, in bound_func
return func(self, _args2, *_kwargs2)
File "/some/path//lib/python2.6/site-packages/django/contrib/admin/options.py", line 1026, in changelist_view
self.date_hierarchy, self.search_fields, self.list_select_related, self.list_per_page, self.list_editable, self)
File "/some/path//lib/python2.6/site-packages/django/contrib/admin/views/main.py", line 64, in init
self.query_set = self.get_query_set()
File "/some/path//lib/python2.6/site-packages/django/contrib/admin/views/main.py", line 244, in get_query_set
qs = qs.filter(reduce(operator.or_, or_queries))
File "/some/path//lib/python2.6/site-packages/django/db/models/query.py", line 561, in filter
return self._filter_or_exclude(False, _args, *_kwargs)
File "/some/path//lib/python2.6/site-packages/django/db/models/query.py", line 579, in _filter_or_exclude
clone.query.add_q(Q(_args, *_kwargs))
File "/some/path//lib/python2.6/site-packages/django/db/models/sql/query.py", line 1167, in add_q
self.add_q(child, used_aliases, force_having=force_having)
File "/some/path//lib/python2.6/site-packages/django/db/models/sql/query.py", line 1170, in add_q
can_reuse=used_aliases, force_having=force_having)
File "/some/path//lib/python2.6/site-packages/django/db/models/sql/query.py", line 1105, in add_filter
connector)
File "/some/path//lib/python2.6/site-packages/django/db/models/sql/where.py", line 67, in add
value = obj.prepare(lookup_type, value)
File "/some/path//lib/python2.6/site-packages/django/db/models/sql/where.py", line 316, in prepare
return self.field.get_prep_lookup(lookup_type, value)
File "/some/path//lib/python2.6/site-packages/django/db/models/fields/related.py", line 139, in get_prep_lookup
raise TypeError("Related Field has invalid lookup: %s" % lookup_type)
TypeError: Related Field has invalid lookup: icontains