Can not upgrade to Silver Plan

Hello. I'm trying to upgrade to the silver plan, but it won't let me. Thank you for the help! 

Hi there,

Thanks for reaching out to us,

Can you please let us know what happens when you try to make a payment? Please send us a screenshot in case if you are getting any errors. So we can investigate the issue further.

Reference to add screenshots on our support forum: https://www.jotform.com/help/438-How-to-Post-Screenshots-to-Our-Support-Forum 

Thanks.