Installation of Joomla it is saying that the "Session save path" is "Unwriteable"
To fix this issue follow these steps:
First create a folder in public html called session and give it 777 permissions you can do this in your cpanel>file manager.
once this is done open globals.php file. this is in the root of your joomla files.
on line 30 or 31 copy this code in ini_set('session.save_path', '/home/cpanel user name/public_html/session');
Save and upload.
Please note change "cpanel user name" to your own username which would of been emailed to you on signup, If you have lost the emails a copy exists in your client portal Click here to login and raise a support ticket.