When Add-on install FI-CA605 & IS-UT605 , Error occured

Hi experts,

I executed Add-on install.(FI-CA& IS-UT)

When I execute Add-on install(Tr-cd:saint) FI-CA605 & IS-UT605 , below

error was occured;

-Error in phase : XPRA_EXECUTION

-Reason for error : TP_STEP_FAILURE

-Return code : 0008

-Error message : OSS Package SAPK-605DWINFICA, tp step "R", return code

0008

And there are below message in the log;

BRF+: <<< BEGIN: Messages for IDs (801CC4F00F501DEEB198C90410AC1230/ )Workflow Event 'Concentration Error' >>>

Exception CX_SY_REF_IS_INITIAL raised - "Dereferencing of the NULL reference"

BRF+: <<< END : Messages for IDs(801CC4F00F501DEEB198C90410AC1230/ ) Workflow Event 'Concentration Error' >>>

What's happened and what should I do ?

Thanks in advance.

Best Regards,

Kazuki