I am trying to update tryton from the very old version 3.6 to the latest version available (7.4.3 at the moment). I did the manual migration steps listed in [1] up to version 6.2. I am able to run trytond 6.2 with an empty database. But trying to get it running with the existing database seems not …

[image] looooo: The problem with the missing invoices seems to be an empty table of the database. To me it seems like the invoices were not copied into the dump… The upgrade process is not copying anything, it alters the database in-place.

I would like to continue the migration to the latest available version (7.6). Is it possible to go from 5.0 to 7.6 directly or do i need to have a version in between installed? not all is running with 5.0. But I would like to update to 7.6 first and then try to fix the remaining issues.

You can not skip two LTS series. In this case you must update to one of them.

so this means I need to go to 6.0 before going to the latest available version?

Or 7.0. See Migration — Tryton Documentation

as I need to make some changes with the trytond-console after 6.0 [1] I decided to go to 6.0 first. But now I am running into some issues doing the trytond-admin migration: 74 140252598083648 [2025-11-20 16:05:28,166] INFO trytond.modules ir:register ir.configuration Traceback (most recent call las…

You seem to not have execute the first “before” SQL query of 6.0.

true. Now I am running into this issue: 101 140247256293440 [2025-11-20 16:21:20,550] INFO trytond.modules product:register product.product Traceback (most recent call last): File "/usr/local/bin/trytond-admin", line 23, in <module> admin.run(options) File "/usr/local/lib/python3.11/dist-pa…

With Use product code as SKU (#9004) · Issues · Tryton / Tryton · GitLab , it was decided to make product code unique. You must fix your existing data to this constraint prior to update to 5.6.

I am now trying to upgrade from 6.0 to 7.8. I did the sql migration (I wasn’t able to do the migration with the trytond-console). When I run the trytond-migration I get the following error: psycopg2.errors.UndefinedTable: relation "ir_module" does not exist LINE 1: SELECT "a"."name" FROM "ir_module…

Migration from 3.6 to 6.2

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Migration from 3.6 to 6.2

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