Error setting TimeZone. Your Mysql server does not have timezone database.Unknown or incorrect time zone: 'Asia/Kolkata'
Then re-upload the form.
If you want to keep your selection of time zone, you have to update the mysql timezone data. See the alternative solution below:
Note: this will require admin acess to the mysql server. You may need to get help from your Server's admin or hosting service. If you are submitting a support request, mention that your MySQL timezone data need to be updated and quote the error message.