How To Fix RSB4HANA020 - '&1' not set

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB4HANA - B4HANA

• Message number: 020

• Message text: '&1' not set

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.

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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 RSB4HANA020 - '&1' not set ?

  The SAP error message RSB4HANA020 typically indicates that a specific setting or configuration related to the SAP BW (Business Warehouse) system and its integration with SAP HANA is not properly configured or is missing. This error often arises when trying to execute a query or report that relies on certain settings that have not been established.
  Cause:
  
  Missing Configuration: The error usually occurs when a required configuration for the BW system to communicate with HANA is not set. This could involve missing settings in the BW query, data source, or InfoProvider.
  Incorrect Settings: Sometimes, the settings may be present but incorrectly configured, leading to the system being unable to find the necessary parameters.
  Transport Issues: If the configuration was recently transported from another system, it may not have been fully or correctly transported.
  Version Compatibility: There may be compatibility issues between the versions of SAP BW and HANA being used.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant transaction codes (like RSA1 for Data Warehousing Workbench) and check the settings for the InfoProvider or query that is causing the error.
  Ensure that all necessary settings are correctly configured.
  
  
  
  Activate Objects: 
  
  If you have made changes to the InfoProvider or query, ensure that you have activated all relevant objects. Sometimes, simply reactivating the InfoProvider or the query can resolve the issue.
  
  
  
  Review Transport Requests: 
  
  If the configuration was transported, check the transport logs to ensure that all necessary objects were included and correctly imported.
  
  
  
  Check for Notes and Patches: 
  
  Look for any SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation for BW on HANA to ensure that all prerequisites and configurations are met.
  
  
  
  System Logs: 
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Contact SAP Support: 
  
  If the issue persists after checking the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP BW on HANA: Understanding the architecture and how BW interacts with HANA can provide insights into potential configuration issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSRT (Query Monitor), and others that may help in troubleshooting.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions 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 RSB4HANA020 error in your SAP environment.