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.
Can you please provide us ID of the form you are having issues with?
I have tested Visual Report on my sample form, but I was not able to replicate mentioned issue. I was able to increase and decrease Charts and Grids with our any issues. They did not get broken.
Inside of this guide you can find how to create a visual report with your form submissions:
I have also cleared the form cache on your account.
Please try to create your Visual report again and if the issue persist, provide us ID of your form.
Let us know if you need further assistance.