How To Fix ED233 - &1 are not allowed as part of a global class

SAP Error Message - Details

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 233

• Message text: &1 are not allowed as part of a global class

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ED233 - &1 are not allowed as part of a global class ?

  The SAP error message ED233 indicates that certain elements (like attributes or methods) are not allowed in a global class. This typically occurs when you are trying to define a global class in ABAP (Advanced Business Application Programming) that includes elements that are not permitted in the context of a global class.
  Cause:
  The error can arise due to several reasons:
  
  Invalid Data Types: You may be trying to use data types that are not allowed in global classes, such as certain types of internal tables or structures.
  Non-Global Elements: You might be trying to include non-global elements (like local types or local classes) within a global class.
  Access Modifiers: The use of certain access modifiers or visibility settings that are not compatible with global classes can also trigger this error.
  
  Solution:
  To resolve the ED233 error, consider the following steps:
  
  
  Check Data Types: Ensure that all data types used in the global class are valid. Use only global types or standard types that are allowed in global classes.
  
  
  Review Class Structure: Make sure that you are not including any local types or classes within your global class. If you need to use local types, consider defining them in a different context or as global types.
  
  
  Access Modifiers: Review the access modifiers (public, protected, private) used in your class definition. Ensure that they are correctly applied and compatible with global class definitions.
  
  
  Refactor Code: If you find that certain elements cannot be included in the global class, consider refactoring your code. You may need to create separate classes or structures that can be used in conjunction with your global class.
  
  
  Check SAP Documentation: Refer to the official SAP documentation for guidelines on defining global classes and the restrictions that apply.
  
  
  Related Information:
  
  Global vs. Local Classes: Understanding the difference between global and local classes in ABAP is crucial. Global classes can be accessed from anywhere in the system, while local classes are limited to the program or package they are defined in.
  ABAP Data Dictionary: Familiarize yourself with the ABAP Data Dictionary, which defines the types and structures that can be used in your classes.
  SAP Community and Forums: If you continue to face issues, consider reaching out to the SAP community or forums where experienced developers can provide insights and solutions based on similar experiences.
  
  By following these steps and understanding the underlying principles, you should be able to resolve the ED233 error effectively.