Configuration file is not writable
Configuration file permission settings
osTicket installer requires ability to write to the configuration file. A template copy of the file, ostconfig.php, is located on the root directory. Please follow the instructions below to give read and write access to the web server.
Shh/Telnet
chmod 777 ostconfig.php
FTP
Using WS_FTP this would be right hand clicking on the file ostconfig.php , selecting chmod, and then giving all permissions to the file.
Cpanel
Click on the file, select change permission, and then giving all permissions to the file.
