Open Stack

Hi all,

I upgraded my install from folsom to grizzly but I can't log in dashboard.
I keep getting this error :

HTTPConnectionPool(host='192.168.0.1', port=8776): Max retries exceeded
with url:
/v1/5690876e82414117b80e64167a3ee3f8/os-quota-sets/5690876e82414117b80e64167a3ee3f8

I haven't changed the database content. I installed grizzly packages only.
Keystone, nova and apache are running fine. I can list endpoints, users and
tenants.

nova-manage service list gives this:
+------------------+------------+----------+---------+-------+----------------------------+
| Binary           | Host       | Zone     | Status  | State | Updated_at
              |
+------------------+------------+----------+---------+-------+----------------------------+
| nova-cert        | openstack0 | internal | enabled | up    |
2013-04-11T12:17:07.000000 |
| nova-compute     | openstack1 | nova     | enabled | down  |
2013-04-03T12:45:08.000000 |
| nova-console     | openstack0 | internal | enabled | up    |
2013-04-11T12:17:11.000000 |
| nova-consoleauth | openstack0 | internal | enabled | down  |
2013-04-03T12:45:14.000000 |
| nova-scheduler   | openstack0 | internal | enabled | up    |
2013-04-11T12:17:11.000000 |
+------------------+------------+----------+---------+-------+----------------------------+

Do you know how to fix this please?

Thanks for your help.
Amine.
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