Thank you for contacting WPML support. While you are waiting for one of my colleagues to take this ticket and work on it, let me provide you with the first debugging steps or if I can help with the issue quickly.
I understand that you get an error message when you translate your website automatically with WPML.
The message does not seem to be generated by WPML. Could you please let us know where you see that message?
Also, please go to WPML → Support → Advanced Translation Editor → Error logs and share a screenshot of that page.