SUM error installing correction from maintenance planner verification.

Hello:

My apologies if this is posted in the wrong forum.

A correction stack was generated in Maintenance Planner while verifying a system.  Using SUM to install the correction, it fails in the "Summary and Evaluation of the Update Process".

Show-Summary.LOG

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Sep 25, 2015 1:49:45 AM [Info  ]: The target products are:

Sep 25, 2015 1:49:45 AM [Info  ]: Runtime and downtime values will be read from C:\New_Sum_Car\SUM\sdt\..\abap\htdoc\UPGANA.XML statistics file.

Sep 25, 2015 1:49:46 AM [Info  ]: Detected minimum downtime is  seconds.

Sep 25, 2015 1:49:46 AM [Info  ]: Start date is 20150925012538

Sep 25, 2015 1:49:46 AM [Info  ]: End date is 20150925012658

Sep 25, 2015 1:49:46 AM [Info  ]: Detected runtime is 80 seconds.

Sep 25, 2015 1:49:46 AM [Error ]: The following problem has occurred during step execution: java.lang.NumberFormatException: For input string: "".

UseCaseExec.log

Thanks for your assistance.

Russ