Friction

Pain point · Reliability & bugs · Causes churn

Thai chart upgrade misses exempt VAT taxes and creates an orphan tax

1 source thread · first seen 2026-10

Summary

Upgrading a database from Odoo 16 to 17 with the Thai localization fails to create four zero-rate or exempt VAT taxes and creates an unrelated orphan tax. The issue can abort registry initialization during the upgrade.

Affects
Companies upgrading Odoo with the Thai localization

Evidence

Excerpts are copied word for word from the source; follow the link to read it in full.

“Instead an orphan `account.tax` row is created with no `ir.model.data` external ID”

Report this item