How To Fix 42018 - No index was found

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 018

• Message text: No index was found

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 42018 - No index was found ?

  The SAP error message "42018 No index was found" typically occurs when you are trying to execute a database operation that requires an index, but the specified index does not exist in the database table. This can happen in various scenarios, such as when you are trying to perform a search or a query that relies on an index for performance optimization.
  Causes:
  
  Missing Index: The index that the system is trying to use for a specific database operation does not exist.
  Incorrect Table/Field Reference: The operation may be referencing the wrong table or field that does not have an associated index.
  Database Changes: Changes in the database schema, such as dropping an index or renaming a table, can lead to this error.
  Transport Issues: If the system has been transported from another environment, the index may not have been transported correctly.
  
  Solutions:
  
  
  Check Index Existence:
  
  Use transaction code SE11 (Data Dictionary) to check if the index exists for the specified table.
  If the index is missing, you may need to create it.
  
  
  
  Create the Index:
  
  If the index is indeed missing, you can create it using SE11. Go to the table definition, and under the "Indexes" tab, create a new index with the required fields.
  
  
  
  Check Table and Field Names:
  
  Ensure that the table and field names used in your query or operation are correct and correspond to the existing database schema.
  
  
  
  Rebuild Index:
  
  If the index exists but is not functioning correctly, you may need to rebuild it. This can be done using transaction code SE14 (Database Utility).
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, verify that all necessary objects, including indexes, were included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific transaction or operation you are performing to see if there are any known issues or additional steps required.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary for checking and creating indexes.
  SE14: Database Utility for managing database objects.
  
  
  
  SAP Notes: Check SAP Notes for any specific issues related to your version of SAP that might provide additional context or solutions.
  
  
  Performance Considerations: Indexes are crucial for database performance. Regularly review and optimize indexes to ensure efficient data retrieval.
  
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.