SCM 7.0 Upgrade Error

Dear Friends,

I am using SCM5.0, Oracle 10.20.0.4 on HP-UX11i v2. Now I am upgrading SCM7.0 but it is giving the error message in phase PREIMP as below

Severe error(s) occured in phase PREP_EXTRACT/PREIMP!

Last error code set: Single errors (code <= 8) found in logfile 'PREIMP.ELG'

Please help me.

regards

Ganesh Datt Tiwari

09971538721