The moment you receive an error “Internal server error 500″ on your site, you must check the error log in your control panel.
- Log into the Plesk control panel
- Go to the Home
- Choose option Domain name
- Select Log Manager
- Select Error_log
- A list of the error messages will be displayed
[2007-04-19 01:43:31]: error: directory is writable by others
To fix the problem, change the permissions of the file/directory
[2007-04-19 01:48:21]: error: file has no execute permission
In order to fix the issue, please use your FTP client or the Filemanager within Plesk and change the permissions of the file
[Thu Apr 19 01:47:38 2007][client 127.0.0.50] (13)Permission denied: unable to check htaccess file, ensure it is readable
The error may be due to incorrect permissions of the .htaccess file. To fix the issue must ensure that folder has permissions equivalent to 755.