Null Pointer exception when executing data flow from activity

When executing a data flow from an activity , its failing because of Null Pointer Exception at the "DataFlow-Execute" step.

I have configured the source of the data flow as abstract , as it should take the step page of the activity as source. The same data flow when i execute stand-alone by changing the source to a Report definition (which opens the same record as the activity), it works fine.

Attached the tracer extract and screenshots of the activity and data flow.

Any resolution or comments will be helpful.



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November 12, 2019 - 11:59am


Can you see the NPE on your log files? Can you share it?

November 13, 2019 - 8:18am
Response to MarcLasserre_GCS

Attached the log for NPE

November 13, 2019 - 8:33am
Response to AnanyaN8


So failing on activity called "ProcessPatientData" step 4. 

Can you check what this step 4 is doing exactly.

November 15, 2019 - 3:25am
Response to MarcLasserre_GCS

In Step 4, i am executing the data flow.