But I get this error

What do I do?
[daniel@localhost Downloads]$ ./ati-driver-installer-9-3-x86.x86_64.run
Created directory fglrx-install.tAw6hF
Verifying archive integrity... All good.
Uncompressing ATI Proprietary Linux Driver-8.593...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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ATI Technologies Linux Driver Installer/Packager
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which: no XFree86 in (/usr/local/bin:/usr/bin:/bin:/usr/games:/home/daniel/bin)
Error: ./default_policy.sh does not support version
default:v2:i686:lib::none:2.6.38.8-desktop586-9.mga; make sure that the version is being
correctly set by --iscurrentdistro
Removing temporary directory: fglrx-install.tAw6hF