Hello We need log to help you

Hello Delphine It is hosted on Odoo.com, I don't know how to find the log files.

I have the same problem on my own server. Here is it's log files.

2014-08-03 08:09:12,873 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:12] "GET / HTTP/1.1" 200 -
2014-08-03 08:09:13,143 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:13] "GET /favicon.ico HTTP/1.1" 404 -
2014-08-03 08:09:13,167 14622 INFO my_new_db werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:13] "GET /?db=my_new_db HTTP/1.1" 200 -
2014-08-03 08:09:13,361 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:13] "GET /web/static/src/css/full.css HTTP/1.1" 200 -
2014-08-03 08:09:13,545 14622 INFO my_new_db werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:13] "GET /web/webclient/css?db=my_new_db HTTP/1.1" 200 -
2014-08-03 08:09:13,638 14622 INFO my_new_db werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:13] "GET /web/webclient/js?db=my_new_db HTTP/1.1" 200 -
2014-08-03 08:09:28,521 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:28] "POST /web/session/get_session_info HTTP/1.1" 200 -
2014-08-03 08:09:28,821 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:28] "POST /web/webclient/qweblist HTTP/1.1" 200 -
2014-08-03 08:09:28,832 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:28] "POST /web/webclient/bootstrap_translations HTTP/1.1" 200 -
2014-08-03 08:09:29,164 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:29] "POST /web/proxy/load HTTP/1.1" 200 -
2014-08-03 08:09:30,326 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:30] "GET /web/binary/company_logo?session_id=c03f81f51f8048a2aaf6c022f3f638c0 HTTP/1.1" 200 -
2014-08-03 08:09:30,348 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:30] "GET /web/static/src/img/logo2.png HTTP/1.1" 200 -
2014-08-03 08:09:30,478 14622 INFO ? werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:30] "POST /web/database/get_list HTTP/1.1" 200 -
2014-08-03 08:09:30,734 14622 INFO my_new_db werkzeug: 37.154.141.127 - - [03/Aug/2014 08:09:30] "POST /auth_signup/get_config HTTP/1.1" 200 -
2014-08-03 08:12:22,455 14622 INFO ? openerp.service: Initiating shutdown
2014-08-03 08:12:22,456 14622 INFO ? openerp.service: Hit CTRL-C again or send a second signal to force the shutdown.
2014-08-03 08:12:23,916 26324 INFO ? openerp: OpenERP version 7.0-20140716-231447
2014-08-03 08:12:23,917 26324 INFO ? openerp: addons paths: /usr/lib/pymodules/python2.7/openerp/addons
2014-08-03 08:12:23,917 26324 INFO ? openerp: database hostname: 127.0.0.1
2014-08-03 08:12:23,917 26324 INFO ? openerp: database port: 5432
2014-08-03 08:12:23,917 26324 INFO ? openerp: database user: openerp
2014-08-03 08:12:24,518 26324 INFO ? openerp.addons.google_docs.google_docs: GData lib version `%s GData-Python/2.0.18` detected
2014-08-03 08:12:25,067 26324 INFO ? openerp: OpenERP server is running, waiting for connections...
2014-08-03 08:12:25,068 26324 INFO ? openerp.service.wsgi_server: HTTP service (werkzeug) running on 0.0.0.0:8069