NamelessMC

I have a problem with my site

Already, when I on the main link of the site, the theme is not taken into account (default). 

https://zupimages.net/up/21/20/cr0z.png

Two, when I click on a button, (example: panel) it gives me an error 404

https://zupimages.net/up/21/20/4vog.png 

Go to core/config.php and remove everything that's in the path value