How To Fix OO771 - The attribute '&' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 771

• Message text: The attribute '&' does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO771 - The attribute '&' does not exist ?

  The SAP error message OO771, which states "The attribute '&' does not exist," typically occurs in the context of Object-Oriented Programming in ABAP (Advanced Business Application Programming) when you are trying to access an attribute of a class or an interface that is not defined or does not exist.
  Cause:
  
  Typographical Error: The attribute name may have been misspelled in the code.
  Attribute Not Defined: The attribute you are trying to access has not been defined in the class or interface.
  Scope Issues: The attribute may exist but is not accessible in the current context due to visibility (e.g., private or protected attributes).
  Class/Interface Changes: If the class or interface has been modified (e.g., attributes added or removed) and the code has not been updated accordingly, this error can occur.
  Inheritance Issues: If you are working with inherited classes, the attribute may not be present in the subclass.
  
  Solution:
  
  Check Spelling: Verify that the attribute name is spelled correctly in your code.
  Review Class Definition: Check the class or interface definition to ensure that the attribute is indeed defined.
  Check Visibility: Ensure that the attribute is accessible from the context where you are trying to use it. If it is private or protected, you may need to use getter/setter methods.
  Update Code: If the class or interface has changed, update your code to reflect the current structure.
  Check Inheritance: If you are using inheritance, ensure that the attribute is defined in the parent class or is accessible in the child class.
  Use the Class Builder: Utilize the Class Builder (transaction SE24) to navigate to the class and verify the attributes.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP documentation for more details on object-oriented programming in ABAP.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other developers who may have encountered similar issues.
  Code Review: Conduct a code review with peers to identify potential issues in the implementation.
  
  By following these steps, you should be able to identify the cause of the OO771 error and implement the appropriate solution.