How To Fix RS_DB_DB6522 - No MDC index defined for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 522

• Message text: No MDC index defined for table &1

What causes this issue?

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

System Response

How to fix this error?

Report an incident on component BW-SYS-DB-DB6.

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 RS_DB_DB6522 - No MDC index defined for table &1 ?

  The SAP error message RS_DB_DB6522 indicates that there is no Multi-Dimensional Cube (MDC) index defined for a specific table in the database. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA environments where data modeling and indexing are crucial for performance and data retrieval.
  Cause:
  
  Missing MDC Index: The primary cause of this error is that the specified table does not have an MDC index defined. MDC indexes are essential for optimizing query performance in multi-dimensional data models.
  Data Model Changes: If there have been recent changes to the data model or the underlying database structure, it may lead to the absence of the required MDC index.
  Transport Issues: If the table was transported from another system, the MDC index might not have been included in the transport request.
  
  Solution:
  
  
  Create MDC Index:
  
  You can create the MDC index for the specified table using the appropriate transaction codes or SQL commands in the database. In SAP BW, you can use the Data Warehousing Workbench (transaction RSA1) to manage indexes.
  If you are using SAP HANA, you can create the index using SQL commands in the HANA Studio or Web IDE.
  
  
  
  Check Data Model:
  
  Review the data model to ensure that all necessary indexes are defined. You may need to regenerate the data model or re-activate the InfoProvider.
  
  
  
  Re-activate the InfoProvider:
  
  If the table is part of an InfoProvider, try re-activating the InfoProvider. This can sometimes resolve issues related to missing indexes.
  
  
  
  Transport Request:
  
  If the issue is related to a transport, ensure that the MDC index is included in the transport request. You may need to manually create the index in the target system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to your specific version of SAP BW or HANA for detailed instructions on managing MDC indexes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SE11 (Data Dictionary), and SE14 (Database Utility) for managing database objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Performance Tuning: Understanding how MDC indexes work can help in optimizing performance for queries and reports in SAP BW or HANA environments.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.