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.
Please try the process of refreshing also.
1. Remove the current existing Google Spreadsheet integration
2. Save the form.
3. Redo the integration and integrate form to Google Spreadsheet again
user guide: -How-to-Integrate-Form-with-Google-Spreadsheet
4. Save the form.
Check now your spreadsheet in your Google account. Check if all existing submissions of the form are now transferred to the spreadsheet.
Hope this help. Let us know if issue persist.