How To Fix M7852 - Sequential file & overwritten with test data

M7852 - Overview

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 852

• Message text: 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.

Error message extract from SAP system. Copyright SAP SE.

M7852 - Details

• The SAP error message M7852, which states "Sequential file & overwritten with test data," typically occurs in the context of data processing or file handling within SAP systems. This error indicates that a sequential file has been overwritten with test data, which may not be intended and can lead to data integrity issues.
  
  Cause:
  
  Test Data Overwrite: The primary cause of this error is that a sequential file, which is expected to contain production or valid data, has been replaced or overwritten with test data. This can happen during testing phases or if the wrong file is referenced in a program or process.
  
  Configuration Issues: Incorrect configuration settings in the system that point to the wrong file paths or file names can lead to this error.
  User Error: Manual intervention or incorrect file handling by users can also result in overwriting important files with test data.
  
  
  Solution:
  
  Restore the Original File: If the original file has