Did you do:


Sometimes the error appears because the xorg.conf isn't built right or not at all.
'-f' is force, if you omit it, sometimes xorg.conf won't be built properly.

Also, did you reboot after you --initial -f the aticonfig step? Reboots are a requirement for many steps.
For instance, after you install the CCC driver, reboot, then install SDK, reboot, set aticonfig, reboot, then check --odgt.
These reboots are required because changes are being made to the kernel and kernel code won't be running without a reboot.