Hi,
I have an instance in odoo 9, i install odoo 11 in another server and i want to move those data to this new server especially ( sale orders with thier lines and invoices )
I tied to do a backup of tables with all format ( .backup, .sql, Flat ) starting with ( res.partner) from the pgadmin but it always give me errors in every restore.
Could you help with this.
Regards