Error when enabling CMS plugin

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

Problem:
You are trying to enable the CMS plugin on your website, but encounter a critical error when applying a previously recommended fix.
Solution:
First, ensure you are using the latest version of WPML. We recently released version 4.7.4, which may resolve your issue. You can download the latest version from My Account -> Downloads on our site. For instructions on how to update, please refer to this link.
Next, please provide us with the details of the fatal error you are encountering. This information will help us understand the issue better and provide a more specific solution.

If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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

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Tagged: Exception

This topic contains 1 reply, has 0 voices.

Last updated by Andrey 3 weeks, 3 days ago.

Assisted by: Andrey.

Author	Posts
April 29, 2025 at 5:24 pm #16980478
razvanI-5	Background of the issue: I am trying to enable the CMS plugin on my website hidden link. I have previously chatted with a customer support agent who recommended a fix from this link: https://wpml.org/errata/php-fatal-error-uncaught-invalidargumentexception-argument-language_code-must-be-a-non-empty-string/. However, applying this fix results in a critical error. Symptoms: I encounter an error when trying to enable the CMS plugin, and applying the recommended fix leads to a critical error. Questions: Can you help me resolve the critical error that occurs when applying the recommended fix?
April 29, 2025 at 8:08 pm #16980969
Andrey WPML Supporter since 06/2013 Languages: English (English ) Russian (Русский ) Timezone: Europe/Kyiv (GMT+03:00)	Thank you for contacting WPML support.j Could you please let us know which version of WPML you would like to activate? We have recently released version 4.7.4. You can find the latest versions available for download by going to "My Account -> Downloads" on our site. For instructions on how to update, please refer to this link: http://wpml.org/faq/install-wpml/. Additionally, please provide us with the details of the fatal error you are encountering.