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unique mail message_id_res_partner Error when selecting products from the table in a Purchase Order

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ValidationError
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Zahid Irfan
Hi Guys

Facing this error while preparing a PO and selecting product variants from grid (table).
-------------------------
Validation Error
The operation cannot be completed: duplicate key value violates unique constraint "unique mail message_id_res_partner id if set

DETAIL: Key (mail_message_id, nes partner_id=(320902, 41934) already exists.

----------------------------------


any help, appreciated. 

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Ray Carnes (ray)

"Validation Error" is not a question. A question is a substantial phrase that ends with "?"

We get close to 1,000 posts a month and not everyone will open a post to find out what your question is.

I have edited your post to make the title a question.

In the future, please consider (1) using a Question that makes it clear what you ask without requiring people to open your post and (2) adding Tags. This will often increase the chances people will respond and also make everything clearer for others who may come along later searching for the same thing.

Failing that, you can paste your future posts into an AI Chatbot and ask it to "please generate a question of no more than 16 words that summarizes what I am asking" and use that as your question.

See also https://www.odoo.com/forum/help-1/meta-why-do-some-questions-get-answers-and-others-do-not-25620

Codesphere Tech

Hello,
Confirm that you are not using any custom module in your database..?

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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,


The "duplicate key value violates unique constraint" error in Odoo, specifically related to mail_message_res_partner_id, indicates a data integrity issue where a duplicate entry is being created in the mail_message_res_partner_rel table. This often happens due to duplicate notifications, data corruption, custom modules, or mass mailing issues.

To troubleshoot, identify the specific product variant and partner involved, check for duplicate notifications in the chatter or email queue, and temporarily disable custom modules related to POs, product variants, or messaging. Access the database to run an SQL query to find and carefully remove duplicate entries in the mail_message_res_partner_rel table. Also, run a database integrity check and consider recreating the product variant. Always back up the database before making changes and seek expert help if needed.


Hope it helps


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