I am upgrading NW 7.4 Components from level 2 to level 5 using SUM during Checks phase i am getting the following error "severe error occurred in phase PREP_GENCHECKS/JOB_RSUPGRCHECK_PRE "
SAPup log records the following info
...started at 20140610074551
# Using phase log file 'RSUPGRCHECK_PH.LOG'.
..finished at 20140610074551 with status ABORTED.
# Error message set: 'Batchjob 'RSUPGRCHECK' with id '07421300:' aborted'
...begin dialog at 20140610074553 "
Kindly suggest how can this issue be resolved.