White screen after registration on iphone

Hello,
i have a problem with EB on iphone, because after the registration (with recaptcha) on an iphone or ipad, the content area of joomla is blan/white.
When i do the registration on a desktop computer, everything is working fine.

And when i disable the recaptcha, everything is working fine on the iphone or ipad.
Do you have an idea about that?

Joomla 3.7.2
PHP 7.0.14
ReCaptcha Version 2
Event Booking 2.14.5
Example Site

Best regards
cruisi

Hi cruisi

To be honest, I have no clue about this. Could you please submit a support ticket sending us super admin account of your site and the link to the page

We are going to check to see why the issue happens and get it sorted for you

Regards,

Tuan