What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Apologies for the inconvenience. To know more about the sub account user and sharing form's access and submission data, please do check this guide: https://www.jotform.com/help/232-How-to-share-forms-with-a-sub-account-user
Now with regards to the problem, I see you are in EU, to view the form submission data properly, I strongly advise to enable the "Europe Datacenter" option in your Account->Data page if you are in EU. Here's a screenshot to find this option:
This option is our solution for the invalidation of the EU Safe Harbor policy, here's a blog post about this: https://www.jotform.com/blog/178-EU-Safe-Forms-Our-Solution-to-the-EU-Safe-Harbor-Invalidation
Let us know if that resolves the problem.