ralfK-2

Problem:
The client set up three local sites in a WP Network with subdomains for English, Spanish, and Japanese using WPML on the English site. WPML stopped working, possibly due to a conflict with the network subsite paths.
Solution:
We confirmed that WPML is compatible with multisite installations. Each subsite in a network should be treated as a separate WPML installation. The correct setup should follow these URL formats:

or

It is important not to combine and treat three subsites as one single WPML installation. For further guidance, refer to our documentation on multisite support.

If this solution does not resolve your issue or seems outdated, please check related known issues at https://wpml.org/known-issues/, verify the version of the permanent fix, and confirm that you have installed the latest versions of themes and plugins. We highly recommend opening a new support ticket if the problem persists.