How To Fix RSDHA405 - Index type '&1' not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 405

• Message text: Index type '&1' not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA405 - Index type '&1' not supported ?

  The SAP error message RSDHA405, which states "Index type '&1' not supported," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data indexing or the type of index being used for a particular InfoProvider or query.
  Cause:
  
  Unsupported Index Type: The error indicates that the index type specified (represented by '&1') is not supported for the operation you are trying to perform. This could happen if you are trying to use a certain type of index that is not compatible with the data model or the query being executed.
  Data Model Issues: There may be inconsistencies or issues in the data model, such as missing or incorrectly configured InfoObjects, InfoProviders, or queries.
  Version Compatibility: The error may also arise if there are compatibility issues between different versions of SAP BW or if certain features are not available in the version you are using.
  
  Solution:
  
  Check Index Type: Verify the index type being used in your query or InfoProvider. Ensure that it is a supported type for the operation you are trying to perform.
  Rebuild Index: If the index is corrupted or not functioning correctly, you may need to rebuild the index. This can often be done through the Data Warehousing Workbench or by using transaction codes like RSA1.
  Check Data Model: Review the data model for any inconsistencies. Ensure that all InfoObjects and InfoProviders are correctly defined and activated.
  Update SAP BW: If you are using an older version of SAP BW, consider updating to a newer version that supports the required index types and features.
  Consult Documentation: Refer to the SAP Help Portal or relevant documentation for your version of SAP BW to understand the supported index types and any limitations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSRT (Query Monitor) to troubleshoot and manage your BW environment.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for RSDHA405 in the SAP Support Portal.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.