How To Fix RSDD_ZA412 - Checks if the automatic merge of delta indexes is switched on

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 412

• Message text: Checks if the automatic merge of delta indexes is switched on

What causes this issue?

Automatic merging of delta indexes is deactivated. In a standard TREX
scenario (non BWA)<(>,<)> it should be activated.

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?

Perform any actions associated with this check.

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_ZA412 - Checks if the automatic merge of delta indexes is switched on ?

  The SAP error message RSDD_ZA412 indicates an issue related to the automatic merging of delta indexes in the context of SAP BW (Business Warehouse) or SAP BW/4HANA. This error typically arises when the system checks whether the automatic merge of delta indexes is enabled, and it finds that it is not.
  Cause:
  The primary cause of this error is that the automatic merging of delta indexes is not activated in the system settings. Delta indexes are used in SAP BW to manage data that is loaded incrementally, and if the automatic merge is not enabled, it can lead to performance issues and data inconsistencies.
  Solution:
  To resolve the RSDD_ZA412 error, you need to ensure that the automatic merge of delta indexes is enabled. Here are the steps to do this:
  
  
  Access the SAP BW Administration:
  
  Log in to your SAP BW system.
  Navigate to the Data Warehousing Workbench (transaction code RSA1).
  
  
  
  Check the InfoProvider Settings:
  
  Locate the InfoProvider (e.g., InfoCube, DataStore Object) that is generating the error.
  Right-click on the InfoProvider and select "Manage" or "Properties."
  
  
  
  Enable Automatic Merge:
  
  In the properties or settings of the InfoProvider, look for the option related to delta index management.
  Ensure that the option for "Automatic Merge of Delta Indexes" is checked or enabled.
  
  
  
  Save Changes:
  
  After making the necessary changes, save the settings.
  
  
  
  Monitor the System:
  
  After enabling the automatic merge, monitor the system to ensure that the error does not reoccur and that the delta indexes are being managed correctly.
  
  
  
  Related Information:
  
  Delta Indexes: Delta indexes are used in SAP BW to store changes made to data since the last data load. They help in optimizing the performance of queries and data retrieval.
  Performance Considerations: Enabling automatic merging of delta indexes can improve performance by reducing the number of delta records that need to be processed during data retrieval.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSCUSTV10 (Customizing for BW) for managing BW settings.
  
  If the issue persists after enabling the automatic merge, consider checking for any additional configuration settings or consulting SAP support for further assistance.