How To Fix R8603 - Request &1 belongs to DataSource &3 from source system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 603

• Message text: Request &1 belongs to DataSource &3 from 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8603 - Request &1 belongs to DataSource &3 from source system &2 ?

  The SAP error message R8603 indicates that there is an issue with a data request in the context of SAP Data Warehousing or SAP BW (Business Warehouse). Specifically, the message states that the request you are trying to process belongs to a different DataSource than the one you are currently working with. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  DataSource Mismatch: The request (request ID &1) is associated with a DataSource (&3) from a source system (&2) that is different from the one you are currently trying to process or load data into.
  Incorrect Request Handling: You may be trying to load or process a request that was created for a different DataSource, which can happen if there are multiple DataSources configured for similar data.
  Data Transfer Issues: There may have been issues during the data transfer process that caused the request to be misidentified.
  
  Solutions:
  
  Verify DataSource: Check the DataSource configuration in your SAP BW system. Ensure that you are working with the correct DataSource that corresponds to the request you are trying to process.
  Check Request ID: Look up the request ID (&1) in the Data Warehousing Workbench or the relevant transaction (like RSA1) to confirm its DataSource and source system.
  Reprocess the Request: If the request is indeed from a different DataSource, you may need to reprocess the data from the correct DataSource or create a new request for the correct DataSource.
  DataSource Configuration: Ensure that the DataSource is properly configured and that there are no discrepancies in the source system settings.
  Consult Logs: Check the logs for any additional error messages or warnings that might provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) or RSMO (Monitor Data Transfer) to monitor and manage your data requests.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to DataSources and data loading processes to ensure that you are following the correct procedures.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP BW expert for further assistance.