How To Fix AXT_MODEL119 - All key fields have to be at the beginning of the table

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 119

• Message text: All key fields have to be at the beginning of the table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL119 - All key fields have to be at the beginning of the table ?

  The SAP error message AXT_MODEL119, which states "All key fields have to be at the beginning of the table," typically occurs in the context of data modeling or when defining database tables in the ABAP Dictionary (SE11). This error indicates that the key fields of a table are not positioned correctly according to the requirements of the SAP data model.
  Cause:
  
  Key Field Positioning: In SAP, all key fields must be defined at the beginning of the table structure. This is a requirement for the database to efficiently manage and access the data.
  Table Definition: When creating or modifying a table, if the key fields are placed after non-key fields, the system will raise this error.
  
  Solution:
  To resolve the AXT_MODEL119 error, follow these steps:
  
  
  Open the Table Definition:
  
  Go to transaction SE11 (Data Dictionary).
  Enter the name of the table that is causing the error and click on "Display" or "Change".
  
  
  
  Rearrange Key Fields:
  
  In the table structure, ensure that all key fields are listed at the top of the field list.
  You can do this by selecting the key fields and moving them to the top using the "Move Up" button or by dragging them.
  
  
  
  Check Field Attributes:
  
  Ensure that the fields you intend to be key fields are correctly marked as key fields in the field attributes.
  
  
  
  Activate the Table:
  
  After making the necessary changes, activate the table. This will check for any other errors and apply the changes.
  
  
  
  Test the Changes:
  
  After activation, test the table to ensure that it functions as expected without raising the error.
  
  
  
  Related Information:
  
  Key Fields: Key fields are used to uniquely identify records in a table. They are essential for database integrity and performance.
  Data Dictionary (SE11): This is the SAP transaction used to manage database objects, including tables, views, data elements, and domains.
  Table Types: Understand the difference between transparent tables, pooled tables, and cluster tables, as the rules may vary slightly depending on the type of table you are working with.
  
  By ensuring that all key fields are positioned at the beginning of the table definition, you can resolve the AXT_MODEL119 error and maintain the integrity of your SAP data model.