Latest versions of WPML Multilingual CMS and WPML String Translation producing an issue in the edit ...

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

Problem:
You are using the latest versions of WPML Multilingual CMS and WPML String Translation on a WordPress site with the Porto theme and WooCommerce. When manually adding products on the edit order page and clicking Recalculate, the products disappear. This issue does not occur with older versions of these plugins.
Solution:
We recommend checking the following errata page for a known issue that matches your description: https://wpml.org/errata/b2b-for-woocommerce-product-removed-when-adding-items-to-existing-order/. A permanent fix is expected in the next release of WCML. If you are considering rolling back to previous versions of the plugins on your live site, it is generally safe, but ensure you test thoroughly on a staging environment first.

If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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

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Tagged: Bug

This topic contains 1 replies, has 1 voice.

Last updated by Nicolas V. 2 days, 10 hours ago.

Assisted by: Bruno Kos.

Author	Posts
April 22, 2025 at 7:00 am #16953220
marcL-75	Background of the issue: I am trying to use the latest versions of WPML Multilingual CMS and WPML String Translation on a WordPress 6.8 site with the Porto 7.4.6 theme. Relevant plugins installed include WooCommerce 9.8.1, WooCommerce Multilingual & Multicurrency 5.4.4, WPML Multilingual CMS 4.7.3, WPML SEO 2.1.1, and WPML String Translation 3.3.2. All tests were conducted on a staging site. Symptoms: When the latest versions of WPML Multilingual CMS and WPML String Translation are installed, manually added products on the edit order page disappear after clicking Recalculate. This issue does not occur with versions 4.6.15 and 3.2.18 of these plugins. Questions: Is there a bug with the latest versions of WPML Multilingual CMS and WPML String Translation? Is it safe to rollback these two plugins on the live site?
April 23, 2025 at 1:23 pm #16959871
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	Hi, I tried to reproduce this issue here: hidden link But I can add the manual item on hidden link When I click "Recalculate" it remains. Can you check if the issue happens in the above Sandbox?
April 24, 2025 at 5:52 am #16962469
marcL-75	I'm not sure i quiet follow you. In the staging environment i have provided for you the issue persist even when changing themes. I have made several test with the other plugins and standard themes and it's not workin, when the newest version of the WPML plugin is active. The previous version of the plugin however doesn't produce this is issue. I'm going to roll back the plugin to the previous version for now, until you have something concrete for me.
April 24, 2025 at 7:14 am #16962742
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	Just to clarify—at this stage, I only need you to confirm whether the issue also happens on the Sandbox I shared: hidden link This step is important because it determines how we proceed: - If the issue also occurs on the Sandbox, then it’s likely a genuine bug, and I’ll escalate it internally as is to our developers. - If the issue only happens on your site, then I’ll need a Duplicator package from your staging environment, so our 2nd tier can dig into it and debug locally. Let me know what you find when testing on the Sandbox!
April 24, 2025 at 7:35 am #16962857
marcL-75	Thanks for clarifying Bruno! 🙂 I have now tried it in Sandbox and the issue is not happening there. I already have a staging site of the website that's looking just like the live site, the only difference is the version of the wmpl plugin. Can you use that for testing?
April 24, 2025 at 8:53 am #16963284
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	Thanks for the update and the test. Since the issue doesn’t occur in Sandbox but does on your live/staging site, testing directly on your staging environment would be very helpful. Would you be willing to provide me with WordPress admin credentials so I can investigate the issue directly? You can safely share them in your next reply — I’ve marked it as private. More details on how we handle credentials securely: https://wpml.org/purchase/support-policy/privacy-and-security-when-providing-debug-information-for-support/ As part of the troubleshooting process, I will install the Duplicator plugin and generate a site package for further debugging. I’ll exclude media files to keep the package size minimal. You can read more about this process here: https://wpml.org/faq/checklist-before-opening-a-ticket-in-wpml-support/#get-help-from-support Please confirm if this approach is acceptable to you.
April 24, 2025 at 11:46 am #16964078
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	The site database is quite large so it took some time to deploy the website on my localhost. This is what I see: hidden link I don't see the error, you can see which plugins and theme I left active. Can you try the same setup in the staging website so I could try? Or tell me if I am missing some step to reproduce this issue? Perhaps it is some server caching involved that is causing this issue, because on my localhost I have no caching of any kind.
April 24, 2025 at 12:52 pm #16964454
marcL-75	Hello, I have just tried to update all plugins so everything is the same as on the live site and i'm able to reproduce the error. I have also reached out to our regular developer we use (located in Spain), and he was able to reproduce the same error in the staging environment. Can i have you try in the staging environment again? hidden link
April 25, 2025 at 5:13 am #16966763
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	The issue would be visible on hidden link? Can I update WPML on hidden link, disable all the plugins and activate WordPress default theme? Because that's what I did on my localhost instance and the issue is not there, as visible on my video, so I suspect there may be some caching involved.
April 25, 2025 at 6:19 am #16966851
marcL-75	I'm sorry but i just noticed i hadn't updated the WPML plugins to the latest versions and that's the reason you couldn't replicate the issue. The issue happens when updating the wpml plugin to the newest version released the 3rd of April. If i could have you try one last time at the address you correctly stated, i'm 100% sure that it will replicate the issue.
April 25, 2025 at 6:49 am #16967012
marcL-75	Oh and yes of course, you are welcome to disable any theme, plugin or anything else.
April 25, 2025 at 10:51 am #16968224
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	hidden link This is what I see on hidden link. Can you record me a video using tool such as hidden link to show me where this happens for you?
April 25, 2025 at 1:22 pm #16968780
marcL-75	Ahh i see and i just tried on the staging site with all plugins deactivated and i think i have the error, however i still have no clue to why it's happening. The conflict is between the new WPML plugin and another plugin called "B2B for WooCommerce" by addify. Actually i wrote to them a couple of weeks ago because i thought i had located the problem to their plugin, because when i their b2b plugin off, the recalculate function on admin order creation worked just fine and this was with your plugin still being active. However it's the same case with your WPML plugin. When the b2b plugin is left active and the WPML plugin is turned off, the function is also working. I hope it makes sense, otherwise please let me know and i'll create a loom video for you. And i'm not a php or javascript expert but i have a feeling that it has something to do with how the tax is calculated and called with both plugins being active at the same time.
April 25, 2025 at 2:29 pm #16969101
Bruno Kos WPML Supporter since 12/2018 Languages: English (English ) German (Deutsch ) French (Français ) Timezone: Europe/Zagreb (GMT+02:00)	If possible, please install B2B for WooCommerce on hidden link Also record a video so I could see this happening, as I failed to reproduce this issue on all the sites so far.
April 28, 2025 at 5:51 am #16973116
marcL-75	Hello again. I have just recorded a loom for you showing the problem, which i'm able to replicate on hidden link. hidden link