Demo on line problem

each time you try to create a propal in the item
[Gestion d’une activité d’indépendant faisant du service]
the following message is displayed :

Dolibarr a détecté une erreur technique.
You use an experimental level of features, so please do NOT report any bugs, anywhere, until going back to MAIN_FEATURES_LEVEL = 0.
Voici les informations qui pourront aider au diagnostic:
Dolibarr: 2.9.0-dev
Date: 20100502012621
Niveau de fonctionnalités: 1
Server: Apache
Referer: http://demo.dolibarr.org/comm/addpropal.php?socid=6&action=create
Url sollicitée: /comm/propal.php?socid=6
Gestionnaire de menu: eldy_backoffice.php/eldy_backoffice.php

Type gestionnaire de base de données: mysql
Requête dernier accès en base en erreur: INSERT INTO llx_propal (fk_soc, price, remise, remise_percent, remise_absolue, tva, total, datep, datec, ref, fk_user_author, note, note_public, model_pdf, fin_validite, fk_cond_reglement, fk_mode_reglement, ref_client, date_livraison, entity) VALUES (6, 0, 0, null, null, 0, 0, ‘20100502120000’, ‘20100502012621’, ‘(PROV)’, ‘3’, ‘’, ‘’, ‘azur’, ‘20100517120000’, 1, 0, ‘’, null, 1)
Code retour dernier accès en base en erreur: DB_ERROR_RECORD_ALREADY_EXISTS
Information sur le dernier accès en base en erreur: Duplicate entry ‘(PROV)-1’ for key 2

Message: Duplicate entry ‘(PROV)-1’ for key 2

Alain.

Do you still have problem

Hi,
Today (05/05/2010) the function is working normally (Well).

What was the reason ? (for my personal knowledge)

Thanks,

Reason is that demo is a cvs version, so this means some features are not stable.