How To Fix RSO284 - No reversal can be determined for association &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 284

• Message text: No reversal can be determined for association &1

What causes this issue?

In the BW repository (class cl_rso_repository, method
'get_asc_type_reverse'), the opposite association should be specified
for association &V1&. However, association &V1& is not defined in the
method.

System Response

The default association is used.

How to fix this error?

This is due to a program error. Inform SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSO284 - No reversal can be determined for association &1 ?

  The SAP error message RSO284 ("No reversal can be determined for association &1") typically occurs in the context of SAP BW (Business Warehouse) when dealing with data extraction, transformation, or loading processes. This error indicates that the system is unable to find a corresponding reversal entry for a specific association in the data model.
  Cause:
  
  
  Missing Reversal Entry: The most common cause is that there is no reversal entry defined for the association in question. This can happen if the data model is not properly configured or if the data has been manipulated in a way that breaks the association.
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the system from determining the correct reversal. This can occur if data has been deleted or if there are issues with the data integrity.
  
  
  Configuration Issues: The error may also arise from incorrect configuration settings in the data model or in the InfoObjects associated with the data.
  
  
  Solution:
  
  
  Check the Association: Review the association that is causing the error. Ensure that there is a valid reversal entry defined for it. You can do this by checking the data model in the SAP BW system.
  
  
  Data Consistency Check: Perform a consistency check on the data to identify any discrepancies. This can be done using transaction codes like RSA1 (Data Warehousing Workbench) to analyze the data flow and check for any inconsistencies.
  
  
  Reconfigure the Data Model: If the association is not correctly set up, you may need to reconfigure it. This could involve redefining the InfoObjects or the data flow to ensure that the reversal entries are correctly established.
  
  
  Data Load Monitoring: Monitor the data load process to ensure that it is completing successfully. If there are errors during the data load, they may lead to this type of issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW you are using. There may be specific patches or updates that address this issue.
  
  
  Seek Help from SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSO2 (Manage InfoObjects), and RSMO (Monitor Data Load) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or fixes related to the error message RSO284.
  Data Modeling Best Practices: Review best practices for data modeling in SAP BW to avoid similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the RSO284 error and implement a solution to resolve it.