How To Fix RSDD_ZA105 - Check for unassigned slave indexes of active slave index server

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 105

• Message text: Check for unassigned slave indexes of active slave index server

What causes this issue?

Some of the active slave index servers have unassigned slave indexes.

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_ZA105 - Check for unassigned slave indexes of active slave index server ?

  The SAP error message RSDD_ZA105 indicates that there are unassigned slave indexes on an active slave index server in the context of SAP BW (Business Warehouse) or SAP HANA. This error typically arises when the system detects that there are indexes that are not properly assigned to a master index or are not being utilized correctly.
  Cause:
  
  Unassigned Slave Indexes: The primary cause of this error is the presence of slave indexes that have not been assigned to any master index. This can happen due to configuration issues or changes in the data model.
  System Configuration Issues: Changes in the system configuration, such as updates or migrations, may lead to inconsistencies in index assignments.
  Data Model Changes: If there have been recent changes to the data model, such as the addition or removal of InfoProviders, it may lead to orphaned indexes.
  
  Solution:
  To resolve the RSDD_ZA105 error, you can follow these steps:
  
  
  Check Index Assignments:
  
  Use transaction code RSA1 to access the Data Warehousing Workbench.
  Navigate to the relevant InfoProvider and check the index assignments.
  Ensure that all slave indexes are properly assigned to a master index.
  
  
  
  Reassign or Delete Unassigned Indexes:
  
  If you find unassigned slave indexes, you can either assign them to the appropriate master index or delete them if they are no longer needed.
  To delete an index, you can use the transaction RSD1 to access the InfoProvider and manage the indexes.
  
  
  
  Rebuild Indexes:
  
  In some cases, it may be necessary to rebuild the indexes. This can be done by executing the relevant data load process again or using the index management tools in SAP BW.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be specific fixes or recommendations provided by SAP.
  
  
  
  Monitor System Performance:
  
  After resolving the issue, monitor the system performance to ensure that the changes have had the desired effect and that there are no further issues with index assignments.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoProvider Maintenance), and RSCUSTV10 (Customizing for BW).
  SAP Documentation: Refer to the official SAP documentation for detailed information on index management and troubleshooting in SAP BW.
  SAP Community: Engage with the SAP Community forums for insights and experiences shared by other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RSDD_ZA105 error and ensure that your SAP BW system is functioning correctly.