diff --git a/openslides/templates/403.html b/openslides/templates/403.html
index 99ea3fbdc..f7d59da78 100644
--- a/openslides/templates/403.html
+++ b/openslides/templates/403.html
@@ -1,31 +1,6 @@
 {% extends "base.html" %}
 {% load tags %}
 
-{% block mainmenu %}
- <ul>
-     {% if perms.agenda.can_view_agenda or perms.agenda.can_manage_agenda %}
-     <li>
-         <a href="{% url item_overview %}" title="">{%trans "Agenda" %}</a></li>
-     {% endif %}
-     {% if perms.application.can_view_application or perms.application.can_insert_application or perms.application.can_support_application or perms.application.can_manage_application %}
-     <li>
-         <a href="{% url application_overview %}" title="">{%trans "Applications" %}</a></li>
-     {% endif %}
-     {% if perms.assignment.can_view_assignment or perms.assignment.can_nominate_other or perms.assignment.can_nominate_self or perms.assignment.can_manage_assignment %}
-     <li>
-         <a href="{% url assignment_overview %}" title="">{%trans "Elections" %}</a></li>
-     {% endif %}
-     {% if perms.participant.can_view_participants or perms.participant.can_manage_participants %}
-     <li>
-         <a href="{% url user_overview %}" title="">{%trans "Participants" %}</a></li>
-     {% endif %}
-     {% if perms.system.can_manage_system %}
-     <li>
-         <a href="{% url config_general %}" title="">{%trans "Configuration" %}</a></li>
-     {% endif %}
- </ul>
- {% endblock %}
-            
 {% block submenu %}
 {% endblock %}
 
diff --git a/openslides/templates/404.html b/openslides/templates/404.html
index 207553df0..0f0a6d328 100644
--- a/openslides/templates/404.html
+++ b/openslides/templates/404.html
@@ -1,31 +1,8 @@
 {% extends "base.html" %}
 {% load tags %}
 
-{% block mainmenu %}
- <ul>
-     {% if perms.agenda.can_view_agenda or perms.agenda.can_manage_agenda %}
-     <li>
-         <a href="{% url item_overview %}" title="">{%trans "Agenda" %}</a></li>
-     {% endif %}
-     {% if perms.application.can_view_application or perms.application.can_insert_application or perms.application.can_support_application or perms.application.can_manage_application %}
-     <li>
-         <a href="{% url application_overview %}" title="">{%trans "Applications" %}</a></li>
-     {% endif %}
-     {% if perms.assignment.can_view_assignment or perms.assignment.can_nominate_other or perms.assignment.can_nominate_self or perms.assignment.can_manage_assignment %}
-     <li>
-         <a href="{% url assignment_overview %}" title="">{%trans "Elections" %}</a></li>
-     {% endif %}
-     {% if perms.participant.can_view_participants or perms.participant.can_manage_participants %}
-     <li>
-         <a href="{% url user_overview %}" title="">{%trans "Participants" %}</a></li>
-     {% endif %}
-     {% if perms.system.can_manage_system %}
-     <li>
-         <a href="{% url config_general %}" title="">{%trans "Configuration" %}</a></li>
-     {% endif %}
- </ul>
- {% endblock %}
-            
+
+
 {% block submenu %}
 {% endblock %}
 
diff --git a/openslides/templates/500.html b/openslides/templates/500.html
index fdb3fafc4..8c51a4f9f 100644
--- a/openslides/templates/500.html
+++ b/openslides/templates/500.html
@@ -1,31 +1,7 @@
 {% extends "base.html" %}
 {% load tags %}
 
-{% block mainmenu %}
- <ul>
-     {% if perms.agenda.can_view_agenda or perms.agenda.can_manage_agenda %}
-     <li>
-         <a href="{% url item_overview %}" title="">{%trans "Agenda" %}</a></li>
-     {% endif %}
-     {% if perms.application.can_view_application or perms.application.can_insert_application or perms.application.can_support_application or perms.application.can_manage_application %}
-     <li>
-         <a href="{% url application_overview %}" title="">{%trans "Applications" %}</a></li>
-     {% endif %}
-     {% if perms.assignment.can_view_assignment or perms.assignment.can_nominate_other or perms.assignment.can_nominate_self or perms.assignment.can_manage_assignment %}
-     <li>
-         <a href="{% url assignment_overview %}" title="">{%trans "Elections" %}</a></li>
-     {% endif %}
-     {% if perms.participant.can_view_participants or perms.participant.can_manage_participants %}
-     <li>
-         <a href="{% url user_overview %}" title="">{%trans "Participants" %}</a></li>
-     {% endif %}
-     {% if perms.system.can_manage_system %}
-     <li>
-         <a href="{% url config_general %}" title="">{%trans "Configuration" %}</a></li>
-     {% endif %}
- </ul>
- {% endblock %}
-            
+
 {% block submenu %}
 {% endblock %}
 
diff --git a/openslides/urls.py b/openslides/urls.py
index ee6cb8130..55bb349f8 100644
--- a/openslides/urls.py
+++ b/openslides/urls.py
@@ -15,6 +15,7 @@ from django.conf import settings
 from django.contrib import admin
 
 admin.autodiscover()
+handler500 = 'openslides.utils.views.server_error'
 
 urlpatterns = patterns('',
     (r'^admin/', include(admin.site.urls)),
@@ -26,3 +27,8 @@ urlpatterns = patterns('',
     (r'^static/(?P<path>.*)$', 'django.views.static.serve',  {'document_root': settings.STATIC_DOC_ROOT}),
     (r'^i18n/', include('django.conf.urls.i18n')),
 )
+
+
+urlpatterns += patterns('',
+    (r'^500/$', 'openslides.utils.views.server_error'),
+)
diff --git a/openslides/utils/views.py b/openslides/utils/views.py
new file mode 100644
index 000000000..0d17cfa94
--- /dev/null
+++ b/openslides/utils/views.py
@@ -0,0 +1,16 @@
+from django.conf import settings
+from django.http import HttpResponseServerError
+from django.template import Context, loader, RequestContext
+from django.template.loader import render_to_string
+
+def server_error(request, template_name='500.html'):
+    """
+    500 error handler.
+
+    Templates: `500.html`
+    Context:
+        MEDIA_URL
+            Path of static media (e.g. "media.example.org")
+    """
+    t = loader.get_template("500.html") # You need to create a 500.html template.
+    return HttpResponseServerError(render_to_string('500.html', context_instance=RequestContext(request)))