How To Fix /PM0/3FL_NEWS_CLASS028 - Local classes and local interfaces should begin with LCL or LIF

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FL_NEWS_CLASS -

• Message number: 028

• Message text: Local classes and local interfaces should begin with LCL or LIF

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FL_NEWS_CLASS028 - Local classes and local interfaces should begin with LCL or LIF ?

  The SAP error message /PM0/3FL_NEWS_CLASS028 indicates that there is a naming convention issue with local classes and local interfaces in ABAP. According to SAP's naming conventions, local classes should start with the prefix LCL and local interfaces should start with the prefix LIF. This is a part of the best practices for ABAP development to ensure clarity and maintainability of the code.
  Cause:
  The error occurs when you define a local class or interface without adhering to the required naming conventions. For example:
  
  A local class named MyClass would trigger this error.
  A local interface named MyInterface would also trigger this error.
  
  Solution:
  To resolve this error, you need to rename your local classes and interfaces to follow the prescribed naming conventions. Here’s how you can do it:
  
  Identify the Local Class/Interface: Locate the class or interface that is causing the error.
  Rename the Class/Interface: Change the name of the class or interface to start with the appropriate prefix:
  
  For local classes, use the prefix LCL. For example, rename MyClass to LCL_MyClass.
  For local interfaces, use the prefix LIF. For example, rename MyInterface to LIF_MyInterface.
  
  
  Adjust References: After renaming, ensure that all references to the renamed class or interface in your code are updated accordingly.
  
  Related Information:
  
  Naming Conventions: Following naming conventions is crucial for code readability and maintainability. SAP provides guidelines for naming various elements in ABAP, including classes, interfaces, methods, and variables.
  Local Classes and Interfaces: Local classes and interfaces are defined within a specific program or function group and are not accessible outside of that scope. This encapsulation is useful for organizing code and avoiding naming conflicts.
  ABAP Development Guidelines: Familiarize yourself with the ABAP development guidelines provided by SAP, which cover best practices, performance considerations, and coding standards.
  
  By adhering to these conventions, you can avoid such errors and improve the quality of your ABAP code.