Welcome and Happy New Year @Ravync
- Fix file and folder permissions by going to Websites → List Websites → mycoolwebsite.com → File Manager → Fix Permissions
- Change to the default wordpress one by deleting everuthing and copy-paste this:
# BEGIN WordPress
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
# END WordPress
Then try if all works now log into your website and setup your plugins lscache, security etc
- Log into your wordpress admin panel and change permalink Settings → Permalinks page set it to Plain or Day and Name common setting