How To Fix RSAR291 - Communication structure for transfer structure & not found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 291

• Message text: Communication structure for transfer structure & not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR291 - Communication structure for transfer structure & not found ?

  The SAP error message RSAR291 indicates that there is an issue with the communication structure for a transfer structure that is not found. This typically occurs in the context of data transfer processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Communication Structure: The communication structure that is supposed to be used for the data transfer does not exist in the system.
  Incorrect Configuration: The transfer structure may not be properly configured or may have been deleted or not activated.
  Transport Issues: If the transfer structure was recently transported from another system, it may not have been transported correctly.
  Version Mismatch: There may be a version mismatch between the source and target systems, leading to the communication structure not being recognized.
  
  Solution:
  To resolve the RSAR291 error, you can follow these steps:
  
  
  Check the Transfer Structure:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the InfoProvider and check if the transfer structure is correctly defined and activated.
  
  
  
  Recreate the Communication Structure:
  
  If the communication structure is missing, you may need to recreate it. This can be done by going to the relevant transfer structure and ensuring that the communication structure is generated.
  
  
  
  Activate the Transfer Structure:
  
  Ensure that the transfer structure is activated. You can do this in the Data Warehousing Workbench by selecting the transfer structure and choosing the activation option.
  
  
  
  Check for Transport Issues:
  
  If the transfer structure was recently transported, check the transport logs to ensure that it was transported correctly. You may need to re-transport it if there were issues.
  
  
  
  Consistency Check:
  
  Perform a consistency check on the InfoProvider to ensure that all components are correctly defined and activated.
  
  
  
  Review Documentation:
  
  Check SAP Notes and documentation related to the specific version of SAP BW you are using for any known issues or additional steps that may be required.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes like RSA1 (Data Warehousing Workbench), RSO2 (Manage Data Transfer Processes), and RSPC (Process Chain Maintenance) for managing data transfer processes.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the RSAR291 error in your SAP environment.