How To Fix RSDME851 - DataSource is being created for the Source &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 851

• Message text: DataSource is being created for the Source &1

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 RSDME851 - DataSource is being created for the Source &1 ?

  The SAP error message RSDME851 indicates that a DataSource is being created for a specific source, which typically means that there is an issue with the DataSource setup in SAP BW (Business Warehouse). This error can occur during the process of creating or activating a DataSource, and it usually points to a problem with the underlying source system or the configuration of the DataSource itself.
  Cause:
  
  Source System Issues: The source system from which the DataSource is trying to pull data may not be properly configured or may be down.
  Authorization Issues: The user may not have the necessary authorizations to create or activate the DataSource.
  Technical Settings: There may be issues with the technical settings of the DataSource, such as incorrect field mappings or data types.
  Existing DataSource Conflicts: There may be an existing DataSource with the same name or configuration that is causing a conflict.
  Network Issues: Connectivity problems between the SAP BW system and the source system can also lead to this error.
  
  Solution:
  
  Check Source System: Ensure that the source system is up and running and that it is properly connected to the SAP BW system.
  Review Authorizations: Verify that the user has the necessary authorizations to create and activate DataSources.
  Validate Technical Settings: Go through the technical settings of the DataSource to ensure that all configurations are correct, including field mappings and data types.
  Check for Existing DataSources: Look for any existing DataSources that may conflict with the one you are trying to create. If necessary, delete or rename the conflicting DataSource.
  Network Connectivity: Ensure that there are no network issues preventing communication between the SAP BW system and the source system.
  Recreate DataSource: If the issue persists, consider deleting the DataSource and recreating it from scratch.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to manage DataSources and check their status.
  Logs and Traces: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to DataSource creation and activation.
  Documentation: Refer to the SAP BW documentation for best practices on DataSource configuration and troubleshooting.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further assistance.