Problem: The client was updating their website when they encountered a conflict between WPML and BetterDocs Pro, causing the website to stop functioning. Solution: We identified that the error originates directly within the BetterDocs Pro plugin. We recommend updating all WPML plugins to the latest version, specifically to version 4.7.3, as this may resolve the issue. If the problem persists after updating, we advise contacting the developer of BetterDocs Pro, as they might already have a solution to this error. Please let us know the outcome.
If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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. Should you need further assistance, please open a new support ticket at WPML support forum.