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Problem:
If you're experiencing issues with Turkish characters such as 'şçöğü' displaying as '?' after using automatic translation with WPML on your site, the issue might be related to the database character set.
Solution:
We recommend checking if your database character set is set to UTF-8. You can find instructions on how to retrieve this information here.

If this solution does not apply to your case, or if it seems outdated, please open a new support ticket. We also highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins.