I have an instance of Odoo18 community intalled via git running on a Digital Ocean droplet :

• Ubuntu 24.10 (GNU/Linux 6.11.0-29-generic x86_64)
• 2 GB Memory
• 50 GB Disk

It runs for about a week and then crashes by iteself, saying the decorator module is not installed. When it is...

root@ConfimundoDiana:~# sudo systemctl status odoo18.service
× odoo18.service - Odoo18
     Loaded: loaded (/etc/systemd/system/odoo18.service; disabled; preset: enabled)
     Active: failed (Result: exit-code) since Sun 2025-07-27 14:45:12 UTC; 1 day 18h ago
   Duration: 1w 20h 16min 9.389s
 Invocation: 2d0ceaade6e14839977c1f800d480ed2
       Docs: http://www.odoo.com
    Process: 7996 ExecStart=/opt/odoo18/venv/bin/python3.12 /opt/odoo18/odoo/odoo-bin -c /etc/odoo18.conf (code=exited, status=1/FAILURE)
   Main PID: 7996 (code=exited, status=1/FAILURE)
   Mem peak: 359.1M
        CPU: 38min 608ms

Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:   File "/opt/odoo18/odoo/odoo/orm/utils.py", line 8, in <module>
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:     from odoo.tools import SQL
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:   File "/opt/odoo18/odoo/odoo/tools/__init__.py", line 7, in <module>
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:     from .cache import ormcache, ormcache_context
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:   File "/opt/odoo18/odoo/odoo/tools/cache.py", line 6, in <module>
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]:     from decorator import decorator
Jul 27 14:45:12 ConfimundoDiana python3.12[7996]: ModuleNotFoundError: No module named 'decorator'
Jul 27 14:45:12 ConfimundoDiana systemd[1]: odoo18.service: Main process exited, code=exited, status=1/FAILURE
Jul 27 14:45:12 ConfimundoDiana systemd[1]: odoo18.service: Failed with result 'exit-code'.
Jul 27 14:45:12 ConfimundoDiana systemd[1]: odoo18.service: Consumed 38min 608ms CPU time, 359.1M memory peak.
root@ConfimundoDiana:~# 

When it happens, I just restart Odoo and it runs for another 1-2 weeks withtout a problem, then the same problem happens. It's very strange I don't understand why this happens..

Any idea?

The Odoo instance is mainly used to host an ecommerce website.

Thanks a lot for the help!