How To Fix RSDD_ZA119 - Check for round-robin problems in preprocessors

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 119

• Message text: Check for round-robin problems in preprocessors

What causes this issue?

Some of the preprocessors have round-robin problems.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA119 - Check for round-robin problems in preprocessors ?

  The SAP error message RSDD_ZA119, which indicates a check for round-robin problems in preprocessors, typically arises in the context of SAP BW (Business Warehouse) when there are issues related to data processing in the InfoProviders, particularly when using preprocessors for data loading.
  Cause:
  The error message RSDD_ZA119 is often triggered by one or more of the following issues:
  
  
  Round-Robin Distribution: This occurs when the data is being distributed across multiple data targets (like InfoProviders) in a way that leads to an imbalance or inefficiency. This can happen if the data is not evenly distributed or if there are configuration issues in the data flow.
  
  
  Preprocessor Configuration: If the preprocessors are not configured correctly, it can lead to problems in how data is processed and distributed. This includes issues with the settings for the data source, transformation, or data target.
  
  
  Data Volume: Large volumes of data being processed can exacerbate round-robin issues, especially if the system is not optimized for handling such loads.
  
  
  Data Source Issues: Problems with the data source, such as missing or incorrect data, can also lead to this error.
  
  
  Solution:
  To resolve the RSDD_ZA119 error, you can take the following steps:
  
  
  Check Preprocessor Settings: Review the configuration of the preprocessors in your data flow. Ensure that they are set up correctly and that the distribution of data is balanced.
  
  
  Analyze Data Distribution: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze how data is being distributed across your InfoProviders. Look for any imbalances or inefficiencies.
  
  
  Optimize Data Flow: If you identify any round-robin issues, consider optimizing your data flow. This may involve adjusting the settings for data targets or modifying the transformation rules.
  
  
  Monitor Data Volume: If you are processing large volumes of data, consider breaking the data load into smaller batches to reduce the load on the system and improve processing efficiency.
  
  
  Check for Data Source Issues: Ensure that the data source is providing the correct and complete data. Validate the data source settings and check for any errors in the extraction process.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve known issues.
  
  
  System Performance: Monitor system performance and resource utilization during data loading processes. If necessary, consider optimizing the underlying database or hardware resources.
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for best practices on data loading and preprocessing.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSMO (Monitor Data Load) for monitoring and troubleshooting.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the RSDD_ZA119 error in your SAP BW environment.