upgrade problem

[webrebel]

Trying to upgrade fro 7.5.4 to 8.0.1 and am getting this error:

Reading system installed packages...done.
Download file build-8.0.1-rhel3-i386.hdr.gz: 18%..27%..35%..44%..52%..61%..78%..87%..95%..100% done
Download file update-8.0.1-rhel3-i386.hdr.gz: 86%..100% done
Resolve components
ERROR: Impossible do installation while package psa-api-common-7.5.4-rhel3.build75060321.20.noarch is installed in system
ERROR: Installation failed

Any help?