How To Fix CACSGEN109 - Table &1 will not be generated due to lack of real key fields

CACSGEN109 - Overview

• Message type: E = Error

• Message class: CACSGEN - Messages From Generation

• Message number: 109

• Message text: Table &1 will not be generated due to lack of real key fields

Self-Explanatory Message

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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 CACSGEN109 - Table &1 will not be generated due to lack of real key fields ?

  The SAP error message CACSGEN109 indicates that a table cannot be generated because it lacks the necessary real key fields. This typically occurs in the context of data modeling or when defining database tables in the ABAP Dictionary (SE11).
  
  Cause:
  The error arises when you attempt to create or generate a table that does not have any key fields defined. Key fields are essential for uniquely identifying records in a database table. Without at least one key field, the system cannot ensure the uniqueness of the records, which is a fundamental requirement for database tables.
  
  Solution:
  To resolve this error, you need to ensure that your table definition includes at least one real key field. Here are the steps to do this:
  
  
  Open the Table Definition:
  
  Go to transaction code SE11 (Data Dictionary).
  Enter the name of the table that is causing the error and click on "Display" or "Change".
  
  
  
  Define Key Fields:
  
  Navigate to the "Fields" tab.
  Identify the