Copy Excel and add four columns then save, system prompt could not retrieve the result of the job execution ,because message was too large to process

[Lori (Li)]

Requirement:
Copy file from one csv file(about 18M and 40 thousand rows) and add four columns then save as csv file or xlsx file
Step:
1.Read csv file as dataTable
2.Add four columns at datatable(Add data column)
3.Write csv or xlsx file

System prompt error:
Message:Could not retrieve the result of the execution. This might be because a message was too large to process

[sai.kiran]

Can you run the workflow on debug mode and check which stage / activity you are getting this exception ? Is it while reading or writing the datatable ?

[Lori (Li)]

Thanks for you help, I had solved this issue.

[Raghavendraprasad (Raghavendraprasad Bhat)]

@Lori May I know how you solved this issue?