If you are having trouble submitting your application on the reset security information page, it is likely due to an issue with the form. You may need to double check that all of the required fields are filled out correctly, and that all of the photos you uploaded are valid. If you are still having trouble, you can try contacting Google for further assistance. You can also send a screenshot of the issue via DM, as this may help the support team better understand the issue and provide a more accurate solution.
