Dear all,

I have migrated our v. 9 db to v. 12. 

Meanwhile I have only migrated the modules which are really still required. I noticed that there quite some modules we actually do not need anymore or have ever used. 

Now when starting up Odoo with the migrated db and the migrated custom modules I see following error message in the logs:

odoo.modules.module: module XXX module not found

I do not need this module anymore, but somehow it is still looking for this module? How can I completely delete this module?
Thanks in advance!