SY-BINPT in the background task

[Kim, Ji Hoon]

Hello experts,
 
I'm creating a standard task (BACKGROUND) which calls ME12 transaction
as BATCH INPUT (BDC).
When I test it in a dailog mode in SWO1 it works fine.
However, when I put it in the workflow template as background task. It
generates a ABAP DUMP.
 
According to ABAP dump the system variable SY-BINPT is set to  "
"(blank) . And it processes an additional screen which was not recorded.
This is the root cause of the problem, I think.
 
When I debug it in the SWO1, the value of SY-BINPT  has value  "X" .
(The additional screen is not appeared).
 
Can anyone provide any hint for further analysis?
 
Thanks 
 
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