I would like to offer to have a closer look into this, but kindly take note, that we tried to test the PRO version of the plugin in September 2023. We contacted the author in regards to this and obtained first contact, but then did not yet obtain further cooperation.
I would like to offer to have a closer look at the problem and request temporary access (wp-admin and FTP) to the website to investigate this issue further.
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If you can't see the wp-admin / FTP fields, your post and website credentials are set as PUBLIC. DO NOT publish the data unless you see the required wp-admin / FTP fields.
I may have to install a plugin called "All In One WP Migration" to make a copy of the website where I can investigate the issue further.
However, I would also be very grateful if you could provide a staging site or copy of the website from your server yourself for this purpose.
If you have any questions about creating such a staging site, you can consult your hosting provider. Just take note that WPML should be registered on this site again.
If you are unable to provide such a copy of the site for testing, please let me know on this ticket.
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Your original archive template was also showing the same issue which was because of:
[fe_widget id="485"]
There is no filter on the backend with the ID "485".
Filter Set DE has "4678".
Filter Set EN has "9673".
In this case, you further can not translate the shortcode with the WPML Translation Editor and I would suggest for now that you place the correct shortcode manually on each archive template.
It is working this way now, but take note that you need to adjust the English template manually, which means placing the correct shortcode again, in case you updated the original template it is getting translated automatically again.
Anyhow, I can still confirm that the translate templates seems not to use the correct filter values and I will need to try to recreate this issue on a new WPML test site.
Once I am done with this task I will get back to you on this ticket.
I have also found that the fields in automatic translations are not same for custom post type cp_produkte. This inconsistency is causing the filter to show both german and english ACF field terms in filter.
Sum of post count of ACF terms in German and English is actually equal to original post count of ACF term in original posts(i.e. German language).
