Our translator duplicated a post. He wanted to edit the gallery images with alt text etc. But it's not possible. For one post. However, we have one post he made earlier and there it was possible. What's the problem here? It's weird. For one post in the classic editor it works but for others it doesn't. If you edit the gallery, it says that the images are not found.
And, in frontend the post and gallery images are visible correctly (original ones in the translated post).
Before proceeding further, may I ask you to try the following?
IMPORTANT: Take full backup of your website and database beforehand. It is highly advised to try the following on a staging/dev site first, so your live website isn't compromised.
- Deactivate all plugins except WPML and its addons and check for the issue.
- Activate each plugin one-by-one, while keeping check on the issue after a plugin is activated. This way you'll be able to pinpoint a plugin having a conflict (or problem), if any.
- If the problem persists, repeat the above steps with a default theme of WordPress (i.e. 2021 or 2023).
Please let me know and I'll try my best to help you further on the matter.
