hi after i change from: mailn9768 mailn9768 to nobody nogroup
my web site is : Oops! An Error Occurred
The server returned a "500 Internal Server Error".
Something is broken. Please let us know what you were doing when this error occurred. We will fix it as soon as possible. Sorry for any inconvenience caused.

oot@vmi687158:/home/mail.nouari.top/public_html/docroot/app/config# ls -l
total 76
-rw-r--r-- 1 mailn9768 mailn9768  1784 Jun 12 15:45 bootstrap.php
-rw-r--r-- 1 mailn9768 mailn9768  3058 Jun 12 15:45 config_dev.php
-rw-r--r-- 1 mailn9768 mailn9768 14756 Jun 12 15:45 config.php
-rw-r--r-- 1 mailn9768 mailn9768  2612 Jun 12 15:45 config_prod.php
-rw-r--r-- 1 mailn9768 mailn9768  5591 Jun 12 15:45 config_test.php
-rw-r--r-- 1 mailn9768 mailn9768  2115 Jun 12 15:45 parameters.php
-rw-r--r-- 1 mailn9768 mailn9768   489 Jun 12 15:45 paths_helper.php
-rw-r--r-- 1 mailn9768 mailn9768   905 Jun 12 15:45 paths.php
-rw-r--r-- 1 mailn9768 mailn9768   506 Jun 12 15:45 routing_dev.php
-rw-r--r-- 1 mailn9768 mailn9768   316 Jun 12 15:45 routing.php
-rw-r--r-- 1 mailn9768 mailn9768   754 Jun 12 15:45 security_api.php
-rw-r--r-- 1 mailn9768 mailn9768  5736 Jun 12 15:45 security.php
-rw-r--r-- 1 mailn9768 mailn9768   749 Jun 12 15:45 security_test.php
-rw-r--r-- 1 mailn9768 mailn9768  1394 Jun 12 15:45 services.php

i have this 
root@vmi687158:/home/mail.nouari.top# ls -l
total 12
drwxr-xr-x  2 root   root    4096 Sep 18 18:45 html-new
drwxr-x---  2 root   nogroup 4096 Jul 21 17:25 logs
drwxr-xr-x 10 nobody nogroup 4096 Sep 21 00:06 public_html
root@vmi687158:/home/mail.nouari.top# cd public_html/
root@vmi687158:/home/mail.nouari.top/public_html# ls -l
total 956
drwxr-xr-x   2 nobody nogroup   4096 Jul 21 17:27 bin
-rw-r--r--   1 nobody nogroup   4439 Jul 21 17:26 composer.json
-rw-r--r--   1 nobody nogroup 596361 Jul 21 17:26 composer.lock
drwxr-xr-x   2 nobody nogroup   4096 Sep 21 13:50 config
drwxr-xr-x   7 nobody nogroup   4096 Jul 21 17:27 docroot
-rw-r--r--   1 nobody nogroup    110 Jul 21 17:27 modernizr-config.json
drwxr-xr-x 506 nobody nogroup  20480 Jul 21 19:38 node_modules
-rw-r--r--   1 nobody nogroup   2732 Jul 21 17:27 package.json
-rw-r--r--   1 nobody nogroup 299799 Jul 21 19:38 package-lock.json
drwxr-xr-x   2 nobody nogroup   4096 Jul 21 17:27 patches
-rw-r--r--   1 nobody nogroup   6300 Jul 21 17:26 README.md
-rw-r--r--   1 nobody nogroup    532 Jul 21 17:27 tsconfig.json
drwxr-xr-x   6 nobody nogroup   4096 Jul 21 20:15 var
drwxr-xr-x  74 nobody nogroup   4096 Jul 21 17:27 vendor
-rw-r--r--   1 nobody nogroup   1844 Jul 21 17:27 webpack.config.js
root@vmi687158:/home/mail.nouari.top/public_html# cd ..
root@vmi687158:/home/mail.nouari.top# ls -l
total 12
drwxr-xr-x  2 root   root    4096 Sep 18 18:45 html-new
drwxr-x---  2 root   nogroup 4096 Jul 21 17:25 logs
drwxr-xr-x 10 nobody nogroup 4096 Sep 21 00:06 public_html
root@vmi687158:/home/mail.nouari.top# cd ..
root@vmi687158:/home# ls -l
total 40
drwx--x--x 11 aslbk8762  aslbk8762  4096 Jun 20 21:21 aslbk.com
drwxr-xr-x  2 root       root       4096 Sep 22 00:02 backup
drwx------  3 cyberpanel cyberpanel 4096 Sep 22 00:02 cyberpanel
drwx--x--x  5 darkm8569  darkm8569  4096 Jun 21 23:09 darkmarketkingdom.com
drwxr-xr-x  2 docker     docker     4096 Jan 30  2024 docker
drwx--x--x  5 ecsbv3009  ecsbv3009  4096 May  8 01:27 ecsbv.com
drwx--x--x  9 mailn9768  mailn9768  4096 Sep 20 22:58 mail.nouari.top
drwx--x--x  5 nouar2740  nouar2740  4096 May  8 01:25 nouari.com
drwxr-xr-x  4 vmail      vmail      4096 Jun 18 22:32 vmail
drwx--x--x  4 vmico2023  vmico2023  4096 May 20 00:00 vmi687158.contaboserver.net
root@vmi687158:/home#