How To Fix AXT_MODEL_REGISTRY020 - Place &1 is delivered; the new include structure is not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL_REGISTRY - Messages from extensibility registry

• Message number: 020

• Message text: Place &1 is delivered; the new include structure is not compatible

What causes this issue?

You have attempted to change the assigned include structure for a place.
However, the place has already been delivered to the customer and the
new include results in an incompatible change. A change is only
compatible if the new include structure contains the old include
structure.

System Response

The change is rejected.

How to fix this error?

Only make changes that are compatible with the include structure.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL_REGISTRY020 - Place &1 is delivered; the new include structure is not compatible ?

  The SAP error message AXT_MODEL_REGISTRY020 indicates that there is an issue with the compatibility of a new include structure with an existing place (or object) in the system. This typically occurs during the activation or transport of changes in the system, particularly when dealing with data models or structures that have been modified.
  Cause:
  
  Incompatible Structure Changes: The new include structure being introduced is not compatible with the existing data model or structure. This can happen if the new structure has different fields, data types, or if it has been modified in a way that conflicts with the existing definitions.
  Transport Issues: If the changes were transported from another system, there may be inconsistencies between the source and target systems, leading to compatibility issues.
  Version Mismatch: The version of the include structure in the development environment may differ from that in the production or quality assurance environments.
  
  Solution:
  
  Check Compatibility: Review the changes made to the include structure. Ensure that the new structure is compatible with the existing definitions. This may involve checking field names, data types, and any dependencies.
  Adjust the Include Structure: If the new structure is incompatible, you may need to modify it to ensure compatibility. This could involve reverting to a previous version or making necessary adjustments to align with the existing structure.
  Re-transport Changes: If the issue arose from a transport, consider re-transporting the changes after ensuring that all systems are in sync and that the include structure is compatible.
  Activate Dependencies: Sometimes, other dependent objects or structures need to be activated or adjusted before the new include structure can be successfully activated.
  Consult Documentation: Review SAP notes or documentation related to the specific error message for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to view and modify structures, or SE80 (Object Navigator) to manage objects and their dependencies.
  Debugging: If necessary, you can debug the activation process to identify the exact point of failure and gather more information about the incompatibility.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support or consult with a technical expert who specializes in SAP data structures and transports.