Hi Miguel,
Unfortunately, we have no clue. 🤷🏻♀️
Maybe these topics will help you to solve your issue as they seem to answer a related concern:
Please note that this issue is related with the customization of third party plugins, not with the use of your theme. As theme authors, the installation, setting or debugging of third party plugins isn’t part of the support we will provide.
To go further, we invite you to ask for more help from the plugins authors and post your request on their support forums:
https://wpml.org/forums/forum/english-support/
https://wordpress.org/support/plugin/login-with-ajax/
Don’t hesitate to share the solution with us. I’m sure it will help other users facing the same issue. By doing this, you will be making a great contribution to this forum, and we thank you very much for that! #SharingIsCaring 💪🏻
We remain available for all support requests related with the use of your theme.
Regards,