How To Fix RSDME756 - BW Datasource to Source relation does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 756

• Message text: BW Datasource to Source relation does not exist

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 RSDME756 - BW Datasource to Source relation does not exist ?

  The SAP error message RSDME756, which states "BW Datasource to Source relation does not exist," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data source configuration. This error indicates that the system cannot find a valid relationship between the BW DataSource and the underlying source system.
  Causes:
  
  Missing Source System Configuration: The source system from which the DataSource is supposed to extract data may not be properly configured or may not exist in the BW system.
  DataSource Not Activated: The DataSource may not be activated in the BW system, which can lead to this error.
  Incorrect DataSource Settings: The DataSource settings may be incorrect, such as the wrong source system being assigned.
  Transport Issues: If the DataSource was transported from another system, there may have been issues during the transport process that led to missing configurations.
  Authorization Issues: The user may not have the necessary authorizations to access the DataSource or the source system.
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Go to the SAP BW system and check if the source system is correctly configured. You can do this in the SAP GUI by navigating to RSA1 (Data Warehousing Workbench) -> Source Systems.
  Ensure that the source system is active and properly connected.
  
  
  
  Activate the DataSource:
  
  In the Data Warehousing Workbench (RSA1), locate the DataSource in question and check if it is activated. If not, activate it.
  
  
  
  Verify DataSource Settings:
  
  Check the settings of the DataSource to ensure that it is pointing to the correct source system. You can do this by navigating to the DataSource in the Data Warehousing Workbench and reviewing its properties.
  
  
  
  Re-transport the DataSource:
  
  If the DataSource was transported from another system, consider re-transporting it to ensure that all necessary configurations are included.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the DataSource and the source system. This may involve checking roles and authorizations in the SAP system.
  
  
  
  Check for System Logs:
  
  Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: Create DataSource
  RSC2: Change DataSource
  RSC3: Display DataSource
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring DataSources and source systems.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSDME756 error in your SAP BW system.