Background of the issue:
I just migrated my WooCommerce site from kidodo.fr to kidodo.ch. After using WPML’s automatic setup wizard to add the German language, I’m encountering 404 errors on several existing pages.
Symptoms:
As soon as the new language is activated, several existing pages return a 404 error. Only the WooCommerce system pages are working and appear duplicated.
Questions:
Could this behavior be related to the domain change (kidodo.fr → kidodo.ch)?
Would a manual configuration (without the setup wizard) help avoid these 404 errors?
Is there a recommended WPML cleanup or reindexing procedure after a migration?