error during db installing using SuSE Linux 9.2

Hello!

I started to install WAS following the instructions. During installing the server i got the following message:

Installing sapdb-db-files-7.5-2 ....

error: /media/dvdram/server/RPMS/i386/sapdb-db-files-7.5-2.i386.rpm: MD5 digest: BAD Expected(0cb0e5d8ed2a35fdd5faebc414e6e717) != (29215dd3d68faf4230467e3ca91db362)

error: /media/dvdram/server/RPMS/i386/sapdb-db-files-7.5-2.i386.rpm cannot be installed

Error installing /media/dvdram/server/RPMS/i386/sapdb-db-files-7.5-2.i386.rpm

RPM Error.

I have SuSe Linux 9.2 (I have 1 Gigabyte RAM, 25 Gigabyte free space)