I need help to install this plugin

[tocx280mn]

Hi, I need help to correctly install Not Awesome Survival plugin, since I get an error and I echo what the page says https://github.com/NotAwesome2/Nas
good but I saw that there are more files to install but I don't know how maybe that's why it doesn't work for me

[Goodly]

Aha, you got an error? that means something went wrong.

[tocx280mn]

Just now, Goodly said:

Ajá, ¿tienes un error? eso significa que algo salió mal.

yes

Just now, tocx280mn said:

yes

but it is not installed correctly

Could someone tell me how to install it