How To Fix RSAR452 - Transfer more than one transfer structure - relationship not clear

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 452

• Message text: Transfer more than one transfer structure - relationship not clear

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR452 - Transfer more than one transfer structure - relationship not clear ?

  The SAP error message RSAR452, which states "Transfer more than one transfer structure - relationship not clear," typically occurs in the context of data transfer processes, particularly when dealing with SAP BW (Business Warehouse) and data sources. This error indicates that the system has encountered multiple transfer structures for a single data source, and it is unable to determine which one to use for the data transfer.
  Causes:
  
  
  Multiple Transfer Structures: The most common cause of this error is that there are multiple transfer structures defined for the same data source in the SAP BW system. This can happen if the data source has been modified or if there are multiple versions of the transfer structure.
  
  
  Inconsistent Configuration: There may be inconsistencies in the configuration of the data source and its associated transfer structures, leading to ambiguity in the data transfer process.
  
  
  Data Source Changes: If the data source has been changed or updated, it may lead to the creation of new transfer structures without properly deactivating or removing the old ones.
  
  
  Solutions:
  
  
  Check Transfer Structures: Go to the Data Warehousing Workbench (transaction RSA1) and check the transfer structures associated with the data source. Identify if there are multiple transfer structures defined for the same data source.
  
  
  Remove or Deactivate Unused Transfer Structures: If you find multiple transfer structures that are not needed, consider deactivating or deleting the ones that are not in use. Ensure that you keep the one that is relevant for your data transfer.
  
  
  Adjust Data Source Settings: If the data source has been modified, ensure that the settings are consistent and that the correct transfer structure is assigned to the data source.
  
  
  Recreate Transfer Structure: If necessary, you can recreate the transfer structure for the data source to ensure that it is correctly configured and does not conflict with other structures.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to this issue in newer versions.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) and RSO2 (Manage Data Sources) to manage and configure data sources and transfer structures.
  Documentation: Refer to SAP Help documentation for detailed information on data transfer processes and configuration in SAP BW.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the RSAR452 error message.
  
  By following these steps, you should be able to resolve the RSAR452 error and ensure that your data transfer processes function smoothly.