Also, for some reason, the GDPR plugin by LegalWeb.io, which shows perfectly fine out of the box on e.g. cyclinguists.com, it doesn't do the EN on Ring Interpreting.
In WPML → Translation Management you can use the "Type" dropdown to filter for Header Layout, Footer Layout, or Body Layout, which you can then translate accordingly.
If that's not the case, can you please share some screenshots or screen recording to explain the issue?
On the other hand, I ‘ll advise you to fix “WP Memory Limit” to at least 128MB while 256MB is recommended. See https://wpml.org/home/minimum-requirements/ for detailed information. You can set this in your wp-config.php file by adding following code: