Sequential file & overwritten with test data

What causes this issue?

You selected the <LS>Test data</> indicator to run the report with test
data.

System Response

When running the report, the system will copy the test data from table
T159A or T159I into the file entered in the <LS>Name of file</> field
and will generate a batch input for the test data.
Data in the sequential file is overwritten with the test data.

How to fix this error?

Check whether the specified directory and file are correct.
If they contain productive data, you must enter a different directory
or different file to import the test data.

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