According to the errors, the database/tables are not set up properly. Try to reproduce the issue and compare the result by using the online demo, and if the issue is on your site only, you can try to fix it by re-install the system.
If you have lots of data or members on your current site and want to keep it after the upgrade, let me know your CPanel and Admin CP login details and we will check it. Due to the weekend and the free service, it will take time to check it.