[8] Internal Server Error after migrating DB

Question

Hello,
I've been using Odoo 8 on my NAS Synology for some times. Now, I decided to host odoo online on a vps, but as it seems to be hard to migrate a db from Odoo vX to vY, I prefer to keep the v8. So I installed the v8 on my VPS and it loads fine if I create a test db.
Then I exported my initial db from my NAS and imported it into my new Odoo on my VPS. The migration seems to be successfull.
But when I open Odoo and if I choose my db, it gives an internal server error.
Do you have any idea ?
Be

POITEAUX · Answer

Thanks for the answer. If this is the real cause, this is a little bit lame.
When you say that I need to update, you mean update Odoo on server 1 ? As this is the Synology package, I don't have the possibility to update...
So I guess that the solution would be to install on server 2 the same build of Odoo as the one on server 1 ?
*edit*
Well it looks like the migration failed because server 2 hosts Odoo 10 !
Despite I carefully followed the instruction on this site to install the package on Ubun

Ray Carnes · Answer

You must update the database (all modules) unless the code on both servers is IDENTICAL (from the same build of Odoo).
If you install server 1 code in January, and server 2 code in March, you need to update because your code is not identical - you have installed v8 on both, but one is two months newer than the other.
Unless you pulled the repository for both servers at the same time on the same day, this could be your problem.
Either use the *-u all* command line argument, or find the *base *mod

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