> --> PHP Fatal error: MySQL error 1054: Unknown column 'last_login_ip' in 'field list' :: UPDATE customers

This was an update made in Zen Cart 1.5.8. Sounds like you didn't run zc_install when you did your upgrade... or perhaps you did and got an error that prevented it from completing.

Try re-loading your backup database, running zc_install again and looking for logs, or check this to see if you have this issue:

https://docs.zen-cart.com/user/upgra...andardization/