Severe error(s) occurred in phase MAIN_SHDIMP/SUBMOD_SHD2_RUN/RUN_RSGEN! Last error code set: No entry with key '03142800/RSGEN_GENER8_SHADOW'

HI ,

I am running uprade on sum tool and facing below issue.

      Severe error(s) occurred in phase MAIN_SHDIMP/SUBMOD_SHD2_RUN/RUN_RSGEN!

Last error code set: No entry with key '03142800/RSGEN_GENER8_SHADOW'

sapup.log:

# BEGIN MAIN MODULE Shadow Import

# Starting phase execution with maxpar = 3, scheduled: 223x'-'

CURRENTPHASE MAIN_SHDIMP/SUBMOD_SHD2_RUN/RUN_RSGEN

...started at 20151214175206

# Using phase log file 'RSGEN.LOG'.

..finished at 20151214175206 with status ABORTED.

# Error message set: 'No entry with key '03142800/RSGEN_GENER8_SHADOW''

...begin dialog at 20151214175209

RSGEN.LOG

2 ETQ399 Arg[1] = 'SAP_SGEN'

2 ETQ399 Arg[2] = ''

2 ETQ399 Arg[3] = 'RSGEN\.$(SAPSID)'

2 ETQ399 Arg[4] = '10'

2 ETQ399 Arg[5] = 'Generate Program Loads'

1 ETQ399 Using error summary log 'RSGEN.ELG'.

1 ETQ399 Expanded phase arguments:

2 ETQ399 Arg[3] = 'RSGEN\.GDV'

1EETQ399 Last error code set is: No entry with key '03142800/RSGEN_GENER8_SHADOW'

1EETQ204 Upgrade phase "RUN_RSGEN" aborted with severe errors ("20151214175206")