How To Fix CM_EHFND_COMN006 - Index is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_COMN - Commonly Used Messages

• Message number: 006

• Message text: Index is not allowed

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 CM_EHFND_COMN006 - Index is not allowed ?

  The SAP error message CM_EHFND_COMN006 with the description "Index is not allowed" typically occurs in the context of SAP applications that utilize the SAP HANA database or when working with certain data models in SAP Cloud Platform. This error generally indicates that there is an issue with the way an index is being referenced or utilized in a query or data model.
  Causes:
  
  Invalid Index Usage: The error may arise when an index is being referenced in a way that is not permitted by the system. This could happen if the index is not defined correctly or if the query is trying to use an index that is not applicable for the operation being performed.
  Data Model Configuration: If you are working with a data model (like CDS views or OData services), the configuration might not allow for certain types of indexing.
  Database Constraints: There may be constraints or limitations imposed by the underlying database (e.g., HANA) that prevent the use of certain indexes in specific contexts.
  
  Solutions:
  
  Review Index Definitions: Check the definitions of the indexes being used in your queries or data models. Ensure that they are defined correctly and are appropriate for the operations you are trying to perform.
  Modify Queries: If you are using a query that references an index, consider modifying the query to avoid using the index or to use a different approach that does not trigger the error.
  Check Data Model Configuration: If you are working with a data model, review its configuration to ensure that it allows for the use of indexes as intended. You may need to adjust the model or the way it interacts with the database.
  Consult Documentation: Refer to the SAP documentation for the specific version of the software you are using. There may be specific guidelines or limitations regarding index usage that you need to follow.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights specific to your environment or version.
  
  Related Information:
  
  SAP HANA Documentation: Review the official SAP HANA documentation for information on indexing and query optimization.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Performance Tuning: Understanding how indexes work in SAP HANA can help in optimizing performance and avoiding such errors in the future.
  
  By following these steps, you should be able to diagnose and resolve the CM_EHFND_COMN006 error effectively.