Mixed content after theme customizer update

This thread is resolved. Here is a description of the problem and solution.

Problem:
The client is experiencing an issue where after updating the theme customizer, the content that should remain in English is instead showing in other languages. This problem is linked to the Query Monitor plugin blocking Ajax actions from WPML during the save process.
Solution:
We recommend disabling the Query Monitor plugin, especially when updating content or translations, as it is primarily a debugging tool and can impact performance on live sites. Disabling it should resolve the issue with saving content in the correct language. For more details on this conflict, you can visit the discussion on WordPress.org.

Please note that this solution might be outdated or not applicable to your specific case. We highly recommend checking related known issues at WPML Known Issues, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If the issue persists, please open a new support ticket at WPML Support Forum.

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Last updated by Dražen 2 months, 3 weeks ago.

Assisted by: Dražen.

Author	Posts
April 17, 2025 at 7:47 am #16942367
bikbulatovaE	Looks good here. Concerning mixed content, I have another strange issue: 404 errors on translated pages and uncorrect redirection from default to translated content. Check out my examples, on 2 different websites: - Example 1 (switch the language with footer button > not a single translated page works: 404 error): hidden link - Example 2 (switch the language with footer button > some language work, some redirect to a product page, some don't work: 404 error): hidden link New threads created by Dražen and linked to this one are listed below: https://wpml.org/forums/topic/split-404-errors-on-translated-pages/
April 17, 2025 at 8:23 am #16942618
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, thanks for getting back, glad to hear it works fine. We limit 1 issue per ticket to keep things clear. This will help other users with similar problems to find solutions when searching the forum. I have opened a new ticket for you, lets continue there: - https://wpml.org/forums/topic/split-404-errors-on-translated-pages/ I will be closing this ticket now since seems no more doubts about the topic. Regards,  Drazen
April 19, 2025 at 8:05 am #16948614
bikbulatovaE	Issue is back here: hidden link Italian language now mixed with the default english language. Still the same theme strings are concerned.
April 21, 2025 at 5:38 am #16950637
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, I can not tell if you have maybe enabled back same plugin or did some other steps that caused this again, but if I try to save correct eng string it shows up fine. I would advise checking if you / or other user are doing any specific steps that is again causing issue. I have checked but for me it works fine, so I can only suspect same thing happen as last time. Regards, Drazen
April 21, 2025 at 6:54 am #16950768
bikbulatovaE	Well, cache plugin and object cache were enabled back obviously. Same for kilim-provenance.com but on this website everything still looks good.
April 21, 2025 at 8:01 am #16951077
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, It could be that it caused it again. I have checked before, and it works fine for me. I suggest checking further if there any specific steps that cause issue or if you still have it after disabeling related cache / plugins and let me know. Regards, Drazen
April 21, 2025 at 1:37 pm #16951937
bikbulatovaE	I believe there is something related to the access of theme customizer. Did you access it from admin dashboard? To fix one more time the mixed content, I accessed it from admin dashboard, and no issue so far. It seems like accessing it from on-page with the wordpress admin top bar creates the bug. Im still not sure, it's a mess. So far now everything works.
April 22, 2025 at 5:15 am #16952995
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, yes from admin dashboard. Please try to keep an eye on it and if issue still happens or any specific steps that cause it. Regards, Drazen