In database with frontend and live chat there are lot of bad query error.
bad query: UPDATE "mail_channel_partner" SET "write_uid"=5,"write_date"=(now() at time zone 'UTC') WHERE id IN (328111)
closesodoo/odoo#71207
Error: Could not serialize access due to concurrent update
X-original-commit: 36a9e761c8d6c1c6e9611cc410ecca82ff2b1659
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>