Lỗi nâng cấp xenforo 2.2.14 | 2.2.15

[Binvnhehe999]

I'm also having a similar issue, when I update from 2.2.13 to 2.2.15, I get an error like this when accessing the admin.php and can't get into the control panel

don't know, but you can try asking PhuongBinzz, he helped me fix it