Hi all

I'm using Odoo 18 Online (SaaS) and I've set a custom invoice sequence in the Customer Invoices journal like this:

• Prefix: INV
• Next Number: 4001
• Suffix: /25 ← This is meant to represent the year 2025

So invoice numbers look like: INV-4001/25, INV-4002/25, etc.

The problem:

Every time I create a new invoice, the suffix doesn’t stay as /25. Instead, it self-increments on its own like this:

• INV-4001/25
• INV-4002/26
• INV-4003/27
• so on...

I manually entered /25 as the suffix — I don't want it to increase like part of the number.

What I need:

• A way to lock the suffix to stay as /25
• OR a proper method to dynamically use the year (e.g., auto-update to /2025, /2026etc.) if that's even supported on Online/SaaS

Appreciate any insights, thanks!