How To Fix 8Z150 - The components of a composed index must be real indexes, check index (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: 8Z - Messages for Inflation Adjustment

• Message number: 150

• Message text: The components of a composed index must be real indexes, check index (&)

What causes this issue?

The component of a composed index is another composed index.

System Response

Stop at error.

How to fix this error?

Please enter a real index as a component of a composed index.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 8Z150 - The components of a composed index must be real indexes, check index (&) ?

  The SAP error message 8Z150 indicates that there is an issue with a composed index in the database. This error typically arises when you are trying to create or modify an index that is composed of other indexes, but one or more of those components are not valid real indexes.
  Cause:
  
  
  Invalid Components: The components that you are trying to use to create the composed index are not valid real indexes. This could happen if:
  
  The components are not defined as indexes in the database.
  The components are not compatible with the requirements for a composed index.
  
  
  
  Index Definition Issues: There may be issues with the definition of the indexes that are being used as components, such as:
  
  The indexes are not activated.
  The indexes are not properly defined in the database.
  
  
  
  Database Consistency: There may be inconsistencies in the database that prevent the composed index from being created.
  
  
  Solution:
  
  
  Check Index Definition: Verify that all components of the composed index are defined as real indexes in the database. You can do this by:
  
  Using transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check the index definitions.
  Ensuring that the indexes are activated and properly configured.
  
  
  
  Recreate or Modify Indexes: If any of the components are not valid, you may need to recreate or modify those indexes to ensure they meet the requirements for a composed index.
  
  
  Database Consistency Check: Perform a consistency check on the database to identify any issues that may be affecting the indexes. You can use transaction SE14 to check and repair inconsistencies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on creating composed indexes and the requirements for the components.
  
  
  Contact SAP Support: If the issue persists after checking the indexes and ensuring they are valid, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Performance Considerations: When working with indexes, consider the performance implications of composed indexes and ensure that they are necessary for your use case.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.