How To Fix RSAR308 - Transfer rules & do not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 308

• Message text: Transfer rules & do not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR308 - Transfer rules & do not exist ?

  The SAP error message RSAR308 indicates that there are no transfer rules defined for the specified source and target in the context of data transfer processes, particularly in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error typically arises when trying to execute a data transfer process (DTP) or when loading data from a source system to a target InfoProvider.
  Cause:
  
  Missing Transfer Rules: The most common cause of this error is that the transfer rules for the specified source and target InfoObjects do not exist. Transfer rules are necessary for mapping fields from the source to the target.
  Incorrect Configuration: There may be an issue with the configuration of the data source or the InfoProvider, leading to the absence of transfer rules.
  Data Source Issues: The data source might not be properly set up or activated, which can prevent the transfer rules from being recognized.
  Transport Issues: If the transfer rules were recently transported from another system, there may have been issues during the transport process.
  
  Solution:
  
  
  Check Transfer Rules: 
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the relevant InfoSource and check if transfer rules are defined for the data source.
  If they are missing, create the necessary transfer rules by selecting the appropriate source and target InfoObjects.
  
  
  
  Create Transfer Rules:
  
  In the Data Warehousing Workbench, select the InfoSource.
  Right-click and choose "Create Transfer Rules."
  Map the fields from the source to the target as required.
  
  
  
  Activate Data Source: 
  
  Ensure that the data source is activated. You can do this in the Data Source maintenance area (transaction code RSA1).
  
  
  
  Check for Transport Issues: 
  
  If the transfer rules were transported, check the transport logs for any errors or issues that may have occurred during the transport process.
  
  
  
  Recheck DTP Settings: 
  
  Verify the settings of the Data Transfer Process (DTP) to ensure that it is correctly configured to use the appropriate transfer rules.
  
  
  
  Consult Documentation: 
  
  If you are unsure about the configuration, refer to SAP documentation or consult with your SAP BW/BI administrator for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSO2: Maintain Data Transfer Process
  RSO1: Maintain InfoSource
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to transfer rules and data transfer processes.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RSAR308 error and successfully define the necessary transfer rules for your data transfer processes.