How To Fix ENHANCEMENT181 - Interface & invalid for business add-in definition & (cannot be saved)

SAP Error Message - Details

• Message type: E = Error

• Message class: ENHANCEMENT - SAP customer enhancement project messages

• Message number: 181

• Message text: Interface & invalid for business add-in definition & (cannot be saved)

What causes this issue?

The interface you have entered is not a valid business add-in
interface.
The business add-in definition is characterized as a "multiple use"
interface, but you have used EXPORTING or RETURNING parameters, or the
BAdI interface contains other interfaces, or there are non-read-only
attributes in the interface.

System Response

The system will not accept the interface as a business add-in
interface. The business add-in cannot be saved or used.

How to fix this error?

Either change the interface or use another one.

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 ENHANCEMENT181 - Interface & invalid for business add-in definition & (cannot be saved) ?

  The SAP error message "ENHANCEMENT181 Interface & invalid for business add-in definition & (cannot be saved)" typically occurs when there is an issue with the enhancement implementation in the SAP system. This error is related to Business Add-Ins (BAdIs), which are a way to enhance the standard functionality of SAP applications without modifying the original code.
  Cause:
  
  Invalid Interface: The interface defined for the BAdI implementation may not match the expected interface of the BAdI definition. This can happen if the BAdI has been changed or if the implementation is referencing an outdated or incorrect interface.
  Inconsistent Data: There may be inconsistencies in the data or configuration related to the BAdI implementation.
  Transport Issues: If the BAdI implementation was transported from another system, there may be issues with the transport that caused the implementation to become invalid.
  Missing Dependencies: The implementation may depend on other objects (like classes or methods) that are missing or not activated.
  
  Solution:
  
  Check Interface Definition: Verify that the interface you are trying to implement matches the BAdI definition. You can do this by checking the BAdI definition in transaction SE18 and comparing it with your implementation in SE19.
  Re-implement the BAdI: If the interface has changed, you may need to delete the existing implementation and create a new one that matches the current interface.
  Activate the BAdI: Ensure that the BAdI definition and any related objects are activated. You can do this in transaction SE18 or SE19.
  Check for Transport Issues: If the implementation was transported, check the transport logs for any errors and ensure that all necessary objects were included in the transport.
  Review Dependencies: Make sure that all dependent objects (like classes, methods, etc.) are available and activated in the system.
  Consult SAP Notes: Look for any relevant SAP Notes that might address known issues with the specific BAdI you are working with.
  
  Related Information:
  
  Transaction Codes:
  
  SE18: To view BAdI definitions.
  SE19: To manage BAdI implementations.
  SE80: To view and manage development objects.
  
  
  SAP Notes: Search for SAP Notes related to the specific BAdI or enhancement you are working with, as they may provide additional guidance or fixes.
  Documentation: Review the SAP documentation for BAdIs to understand their usage and implementation better.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.