Can't set up CodeIgniter?

Question

CodeIgniter

In general, I downloaded the Just Wallet script, which is based on CodeIgniter. It seems that I did everything right, I entered all sorts of base_url and everything, but still, there is a certain problem
link to the video
help mi)

Answer 1

Everything was decided by the usual AllowOverride All in the apache2 config

Answer 2

In which controller is the login method?
Routing codeigniter

Answer 3

.htaccess is being used?