How To Fix EFH005 - Field &1 has not changed directly; it might be changed by inheritance

SAP Error Message - Details

• Message type: E = Error

• Message class: EFH - Equipment Functional Location Heal

• Message number: 005

• Message text: Field &1 has not changed directly; it might be changed by inheritance

What causes this issue?

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

System Response

This field has not changed because its data origin is set to
<LS>Superordinate Equipment</> or <LS>Functional Location</>. However,
the field may have changed due to inheritance if the superior object has
been selected for mass changes.

How to fix this error?

If you want to change the data origin of the field to <LS>Maintained
Individually</>, open the equipment master data screen and change the
value of the field directly by choosing <LS>Edit </>-> <LS>Data origin
list.</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EFH005 - Field &1 has not changed directly; it might be changed by inheritance ?

  The SAP error message EFH005 indicates that a field in a data structure or table has not been changed directly, but it may have been altered through inheritance. This typically occurs in the context of object-oriented programming in ABAP, particularly when dealing with class inheritance and polymorphism.
  Cause:
  
  Inheritance: The field in question is part of a base class, and the derived class is trying to access or modify it. However, the field has not been directly changed in the derived class.
  Encapsulation: The field may be encapsulated in the base class, meaning it is not directly accessible or modifiable from the derived class.
  Data Consistency: SAP enforces data consistency and integrity, which is why it raises this error when it detects that a field is being accessed in a way that could lead to unexpected behavior.
  
  Solution:
  
  Check Inheritance Structure: Review the class hierarchy to understand where the field is defined and how it is being accessed. Ensure that you are modifying the field in the correct context.
  Use Getter/Setter Methods: If the field is encapsulated, use the appropriate getter and setter methods provided by the base class to access or modify the field.
  Override Methods: If you need to change the behavior of the field in the derived class, consider overriding the methods in the base class that interact with the field.
  Direct Modification: If you need to change the field directly, ensure that you are doing so in the appropriate context (e.g., within the base class or through a method that allows modification).
  Review Documentation: Check the SAP documentation for the specific classes and methods you are working with to understand the intended usage and any constraints.
  
  Related Information:
  
  ABAP Object-Oriented Programming: Understanding the principles of OOP in ABAP, including inheritance, encapsulation, and polymorphism, is crucial for resolving this error.
  SAP Notes and Community: Look for SAP Notes related to this error message or search the SAP Community for similar issues and solutions shared by other developers.
  Debugging: Use the ABAP debugger to step through the code and identify where the error is being triggered. This can provide insights into the state of the objects and fields involved.
  
  By following these steps, you should be able to resolve the EFH005 error and ensure that your code adheres to the principles of object-oriented programming in SAP.