Problem: The client was experiencing an issue where the Gallery images in the existing Gallery field were not displaying after adding a new German language to the site using WPML.
Solution: We recommended checking the ACF multilingual configuration in WPML -> Settings -> Custom fields translation section and verifying any errors in the debug.log file. Additionally, we suggested creating a staging site to reproduce the issue without affecting the live site. After further investigation, it was found that another developer had added code to the WPCode Lite Plugin that caused the gallery images to load directly from a folder, bypassing the admin. We advised removing or adjusting this code to resolve the issue.
Please note that this solution might be outdated or not applicable to your specific case. 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 at WPML support forum.
