How To Fix OO031 - Visibility can be either 'Public', 'Protected' or 'Private'

OO031 - Overview

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 031

• Message text: Visibility can be either 'Public', 'Protected' or 'Private'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO031 - Visibility can be either 'Public', 'Protected' or 'Private' ?

  The SAP error message OO031 indicates that there is an issue with the visibility modifier of a class or method in ABAP Object-Oriented programming. This error occurs when the visibility of a class, method, or attribute is not set correctly. In ABAP, visibility can be defined as 'Public', 'Protected', or 'Private', and it is essential to specify one of these options to control access to the class members.
  
  Cause:
  The error OO031 typically arises in the following scenarios:
  
  Missing Visibility Modifier: You may have declared a class or method without specifying any visibility modifier.
  Incorrect Syntax: There might be a syntax error in the declaration of the class or method that prevents the visibility modifier from being recognized.
  Typographical Errors: A typo in the visibility keywords (e.g., writing "Pubic" instead of "Public") can also trigger this error.
  
  
  Solution:
  To resolve the OO031 error, you should:
  
  Add a Visibility Modifier: Ensure that every class, method, or attribute declaration includes