How To Fix AXT_MODEL189 - Table ID &1 is already used by enhancement &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 189

• Message text: Table ID &1 is already used by enhancement &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL189 - Table ID &1 is already used by enhancement &2 ?

  The SAP error message AXT_MODEL189 indicates that a specific table (identified by the Table ID &1) is already being utilized by an enhancement (identified by &2). This typically occurs in the context of SAP's enhancement framework, where certain tables are locked for modifications to prevent conflicts or inconsistencies.
  Cause:
  
  Table Locking: The table you are trying to enhance or modify is already associated with another enhancement or modification. This is a protective measure to ensure data integrity and consistency.
  Multiple Enhancements: If multiple enhancements are trying to modify the same table, SAP will prevent this to avoid conflicts.
  Development Environment: This can also happen in a development environment where multiple developers are working on enhancements simultaneously.
  
  Solution:
  
  Check Existing Enhancements: Review the existing enhancements associated with the table. You can do this by using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to see the enhancements that are already applied to the table.
  Coordinate with Team: If you are in a team environment, communicate with your colleagues to determine if someone else is working on an enhancement for the same table. Coordination can help avoid conflicts.
  Modify Enhancement: If you have the necessary permissions and it is appropriate, consider modifying the existing enhancement instead of creating a new one.
  Use a Different Table: If possible, consider using a different table for your enhancement that does not conflict with existing enhancements.
  Check Transport Requests: Ensure that there are no pending transport requests that might be locking the table. If there are, you may need to wait for those to be released.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message. SAP Notes can provide specific solutions or workarounds.
  Documentation: Review SAP documentation on the enhancement framework to understand how enhancements work and best practices for implementing them.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Modules) to navigate and manage enhancements effectively.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.