How To Fix SALV_X_API091 - Key field(s) not contained in data structure of table

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 091

• Message text: Key field(s) not contained in data structure of table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API091 - Key field(s) not contained in data structure of table ?

  The SAP error message SALV_X_API091 indicates that there is an issue with the key fields in the data structure of a table when using the SAP ALV (ABAP List Viewer) framework. This error typically arises when you are trying to display data in an ALV grid or list, but the data structure you are using does not contain the necessary key fields that are required for the ALV to function correctly.
  Cause:
  
  Missing Key Fields: The data structure you are using does not include the key fields that are defined in the underlying database table. ALV requires key fields to uniquely identify records.
  Incorrect Data Structure: The data structure may not be properly defined or may not match the expected structure of the ALV.
  Data Retrieval Issues: If the data is being fetched from a database table, it may not be retrieving the key fields correctly.
  
  Solution:
  
  
  Check Data Structure: Ensure that the data structure (internal table or work area) you are using to populate the ALV contains all the necessary key fields. You can do this by comparing the structure of your internal table with the database table definition.
  Example:
  TYPES: BEGIN OF ty_data,
           key_field1 TYPE your_key_field1_type,
           key_field2 TYPE your_key_field2_type,
           ...
         END OF ty_data.
  DATA: it_data TYPE TABLE OF ty_data.
  
  
  Modify Data Retrieval Logic: If you are fetching data from a database table, ensure that your SELECT statement includes the key fields. For example:
  SELECT key_field1, key_field2, other_field
    INTO TABLE it_data
    FROM your_table.
  
  
  Use Correct ALV Function Module: Make sure you are using the correct ALV function module or class method that corresponds to the data structure you are using.
  
  
  Debugging: If the issue persists, use debugging tools to step through your code and check the contents of the internal table before it is passed to the ALV. This will help you identify if the key fields are indeed missing.
  
  
  Refer to Documentation: Check the SAP documentation for the specific ALV function module or class you are using to ensure you are following the correct procedures and requirements.
  
  
  Related Information:
  
  ALV Documentation: Familiarize yourself with the ALV documentation provided by SAP, which includes guidelines on how to define data structures and use ALV functions.
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to ALV and the error message SALV_X_API091.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other developers.
  
  By ensuring that your data structure is correctly defined and includes all necessary key fields, you should be able to resolve the SALV_X_API091 error.