How To Fix M2340 - Data target and source are identical: Deleting source data impossible

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 340

• Message text: Data target and source are identical: Deleting source data impossible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M2340 - Data target and source are identical: Deleting source data impossible ?

  The SAP error message M2340, which states "Data target and source are identical: Deleting source data impossible," typically occurs in the context of data transfer processes, particularly when working with data extraction and loading in SAP systems, such as during the use of SAP BW (Business Warehouse) or SAP ECC (Enterprise Central Component).
  Cause:
  This error arises when you attempt to delete or manipulate data in a way that the system interprets as trying to delete source data that is also being used as a target for the same operation. In other words, the system detects that the source and target of the data operation are the same, which can lead to data integrity issues. This often happens in scenarios where:
  
  You are trying to delete data from a data source that is also being used as a target for a data load or transformation.
  There is a misconfiguration in the data flow or data model where the source and target are incorrectly defined as the same entity.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Flow Configuration: Review the data flow configuration in your SAP system. Ensure that the source and target are correctly defined and that they are not pointing to the same object.
  
  
  Separate Source and Target: If you are trying to delete data, ensure that the source and target are distinct. You may need to create a separate target for the data load or transformation process.
  
  
  Review Data Transfer Process (DTP): If you are using a Data Transfer Process (DTP), check the settings to ensure that the source and target are not set to the same object. Adjust the DTP settings accordingly.
  
  
  Check for Active Processes: Ensure that there are no active processes or requests that are currently using the data you are trying to delete. If there are, you may need to wait until those processes are completed.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to your version of SAP and the context in which you are encountering this error.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data management in SAP, such as RSA1 (Data Warehousing Workbench) or RSC3 (Display Data Transfer Process).
  Data Integrity: Always ensure that data integrity is maintained when performing operations that involve deleting or modifying data in SAP systems.
  
  By following these steps, you should be able to identify the cause of the M2340 error and implement a solution to resolve it.