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Josep Anton Belchi Riera

We have noticed that, if 2 users try to modify the same record simultaneously, the system does not warn them.
Therefore, data from one of the two can be lost, without being noticed.

Is there any solution for that? 

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Waleed Mohsen (CorTex IT Solutions)

If you can see it as bug, You can create issue in Github with Odoo version and how to reproduce the issue.

https://github.com/odoo/odoo/issues

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Ray Carnes (ray)
Best Answer

Since version 9.0 we have implemented concurrency checks, you can learn more by reviewing:

https://github.com/odoo/odoo/issues/6737

https://github.com/odoo/odoo/blob/15.0/odoo/models.py#L3434

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Josep Anton Belchi Riera
Author

Odoo allows different users to modify the same register, while preserving the changes made by every one. I think it's a very well-designed functionality. If more than one modifies the same field, the last modification done prevails. Someone could see it as a problem, but the same thing would happen if they did it with 5 minutes of difference.

However, consider this scenario:
- User 1 and user 2 open the same order. It has a single line.
- User 1 adds several lines and updates.
- User 2 emails the order (he only sees one line, but it actually has several of them. He realizes it when it's already sent.

I think Odoo should raise a warning in this cases.

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