luceos /home/www/newdarkrp.fr/subdomains/forums/index.php/assets/forum-en-deb59aba.js In your config.php remove the /index.php in your url.
Glombersik luceos https://forums.newdarkrp.fr/ to it's his domain that seems to have badly set folders and subfolders. why not create folder /home/forums.newdarkrp.fr and in nginix change root to root /home/forums.newdarkrp.fr; check yet what you have for the redirected ip domain or folder
PJGame_ Glombersik You need to go at https://forums.newdarkrp.fr/index.php to see the forum, I don't know why the forums.newdarkrp.fr show the index.php of newdarkrp.fr
PJGame_ Oh... Okay now it's work ! Because the index.php is now unaccessible but now when i go on https://forums.newdarkrp.fr it's work. Thanks all for your help luceos Glombersik @jordanjay29