How To Fix R7081 - Source system ID &1 used in source system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 081

• Message text: Source system ID &1 used in source system &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7081 - Source system ID &1 used in source system &2 ?

  The SAP error message R7081 typically indicates that there is a conflict or issue with the source system ID being used in a particular context, such as in a data transfer or integration scenario. This error can occur in various SAP modules, particularly in SAP BW (Business Warehouse) or when dealing with data extraction from source systems.
  Cause:
  The error message R7081 is usually triggered by one of the following reasons:
  
  Duplicate Source System ID: The source system ID being referenced is already in use by another source system, leading to a conflict.
  Incorrect Configuration: The source system may not be properly configured in the SAP system, or there may be inconsistencies in the settings.
  Transport Issues: If the source system configuration was transported from one environment to another (e.g., from development to production), there may be issues with the transport that caused the conflict.
  Data Source Issues: The data source being used may not be correctly defined or may reference an invalid source system.
  
  Solution:
  To resolve the R7081 error, you can take the following steps:
  
  
  Check Source System Configuration:
  
  Go to the transaction code RSA1 (Data Warehousing Workbench) and navigate to the "Source Systems" section.
  Verify that the source system ID is correctly configured and does not conflict with other source systems.
  
  
  
  Identify Conflicts:
  
  Use transaction code RSC1 to check the list of source systems and identify if the source system ID is already in use.
  If it is in use, you may need to change the ID of the new source system to avoid conflicts.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport logs for any errors or warnings related to the source system configuration.
  Ensure that all necessary objects were transported correctly.
  
  
  
  Check Data Source Definitions:
  
  Ensure that the data source definitions are correct and that they reference the appropriate source system.
  You can check this in the Data Source maintenance area (transaction code RSA2).
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using, as there may be known issues or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: Source System Overview
  RSA2: Data Source Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for detailed information on configuring source systems and data sources.
  
  By following these steps, you should be able to identify and resolve the cause of the R7081 error in your SAP environment.