How To Fix OO151 - Invalid visibility. Use 'Public', 'Protected', or 'Private'

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 151

• Message text: Invalid visibility. Use 'Public', 'Protected', or 'Private'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO151 - Invalid visibility. Use 'Public', 'Protected', or 'Private' ?

  The SAP error message OO151 "Invalid visibility. Use 'Public', 'Protected', or 'Private'?" typically occurs in ABAP Object-Oriented programming when there is an issue with the visibility modifier of a class or method. This error indicates that the visibility of a class member (attribute or method) is not correctly defined.
  
  Cause:
  The error is caused by one of the following scenarios:
  
  Incorrect Visibility Modifier: You may have used an invalid visibility keyword that is not recognized by the ABAP language.
  Missing Visibility Modifier: You may have forgotten to specify a visibility modifier for a class member.
  Typographical Error: There could be a typo in the visibility keyword (e.g., misspelling "Public" as "Pubic").
  
  
  Solution:
  To resolve the OO151 error, follow these steps:
  
  
  Check Visibility Modifiers: Ensure that you are using one of the valid visibility keywords:
  
  PUBLIC: Members are accessible from outside the class.
  PROTECTED: Members are accessible only within the class and its subclasses.
  PRIVATE: Members are accessible only within the class