Instal Error need some help

burnt onto a dvd using poweriso popped it in and booted off cd started to install and then when it started it loaded fine then i get an error saying:

Unable to create repository from URL ‘cd:///?device=/dev/8r0’.

and ideas?
new to suse

Sounds like a bad dvd did you check the md5sum?
You can also do a dvd check at the start of the installation

Geoff