You don't have daemons and cron running. Also check if memcache is running.
I will also write a fix for launching the memcache in the console
Code:
memcached -u memcached -d -m 30 -l 127.0.0.1 -p 11211
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I launched this project and even made money on it. But to be honest, at this time we need to completely rewrite the game in Canvas JS + HTML5 + PHP8. If you want to make money on this project, then you will need to rewrite it and make changes. But it's not that easy, 2009 code syntax. You will have to rewrite everything completely, including demons in C#. It's easier to write your own exactly the same game with 0.