How To Fix RSTRAN656 - Error while creating reference rule in group &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 656

• Message text: Error while creating reference rule in group &1

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 RSTRAN656 - Error while creating reference rule in group &1 ?

  The SAP error message RSTRAN656 indicates that there is an issue while creating a reference rule in a specific group. This error typically occurs in the context of SAP BW (Business Warehouse) when working with transformation rules or data transfer processes.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The reference rule may not be properly configured, or there may be inconsistencies in the transformation settings.
  Missing Objects: Required objects (like InfoObjects, DataSources, or InfoProviders) may be missing or not activated.
  Authorization Issues: The user may not have the necessary authorizations to create or modify reference rules.
  Data Model Issues: There may be issues with the underlying data model, such as incorrect mappings or relationships between objects.
  Technical Errors: There could be technical issues or bugs in the SAP system that are causing the error.
  
  Solution:
  To resolve the RSTRAN656 error, you can follow these steps:
  
  
  Check Configuration:
  
  Review the configuration of the reference rule and ensure that all settings are correct.
  Verify that the source and target objects are properly defined and activated.
  
  
  
  Verify Object Existence:
  
  Ensure that all required objects (InfoObjects, DataSources, etc.) exist and are active in the system.
  Check for any inconsistencies in the data model.
  
  
  
  Review Authorizations:
  
  Confirm that the user has the necessary authorizations to create or modify reference rules.
  If needed, consult with your SAP security team to adjust the user's roles and permissions.
  
  
  
  Check for Technical Issues:
  
  Look for any known issues or notes related to this error in the SAP Support Portal.
  If applicable, apply any relevant SAP Notes or patches that address the issue.
  
  
  
  Debugging:
  
  If the error persists, consider debugging the process to identify the exact point of failure.
  Use transaction codes like SE80 or SE37 to analyze the relevant programs or function modules.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on creating reference rules and troubleshooting related errors.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to access the relevant areas for managing transformations and data flows.
  SAP Notes: Search for SAP Notes related to RSTRAN656 in the SAP Support Portal for any specific fixes or recommendations.
  Community Forums: Consider checking SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  If the problem continues after following these steps, it may be beneficial to reach out to SAP support for further assistance.