How To Fix RSB4HANA124 - &1 is not blacklisted.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB4HANA - B4HANA

• Message number: 124

• Message text: &1 is not blacklisted.

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 RSB4HANA124 - &1 is not blacklisted. ?

  The SAP error message RSB4HANA124 typically indicates that a certain object (like a data source or a query) is not blacklisted in the context of SAP BW on HANA. This error can occur when there are issues related to the data source or the query execution in the BW system.
  Cause:
  
  Data Source Issues: The data source may not be properly configured or may not be compatible with the HANA database.
  Query Execution: The query might be trying to access a data source that is not blacklisted, which can lead to performance issues or errors during execution.
  Blacklisting Mechanism: SAP BW on HANA uses a blacklisting mechanism to prevent certain data sources from being used if they are known to cause issues. If the system is trying to access a data source that should be blacklisted but isn't, it can lead to this error.
  
  Solution:
  
  Check Data Source Configuration: Ensure that the data source is correctly configured and compatible with HANA. This includes checking the extraction method and ensuring that the data source is set up correctly in the BW system.
  Review Blacklist Settings: Check the blacklist settings in the BW system. You can do this by navigating to the relevant transaction codes (like RSA1 for Data Warehousing Workbench) and reviewing the settings for the data source or query.
  Update or Blacklist the Data Source: If the data source is known to cause issues, consider blacklisting it manually. This can be done through the BW administration tools.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  Consult Documentation: Review the SAP documentation for BW on HANA to understand the implications of blacklisting and how to manage data sources effectively.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might provide additional context or solutions for this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Performance Monitoring: Monitor the performance of your BW queries and data sources to identify any potential bottlenecks or issues that could lead to this error.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.