How To Fix OO713 - Attribute &1 already exists in interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 713

• Message text: Attribute &1 already exists in interface &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO713 - Attribute &1 already exists in interface &2 ?

  The SAP error message OO713 indicates that there is an attempt to define an attribute in an interface that already exists. This typically occurs in the context of Object-Oriented ABAP programming when you are trying to create or modify an interface and you inadvertently try to declare an attribute with the same name as one that already exists in that interface.
  Cause:
  
  Duplicate Attribute Declaration: The most common cause is that the attribute you are trying to declare has already been defined in the same interface or inherited from a parent interface.
  Inheritance Issues: If the interface is inheriting from another interface that already has the attribute defined, you cannot redefine it in the child interface.
  Typographical Errors: Sometimes, a simple typo or case sensitivity issue can lead to confusion, making it seem like the attribute is not already defined.
  
  Solution:
  
  Check Existing Attributes: Review the existing attributes in the interface to ensure that you are not trying to declare an attribute that already exists. You can do this by navigating to the interface definition in the ABAP Workbench (SE80 or SE11).
  Rename the Attribute: If you find that the attribute already exists and you need a new one, consider renaming your new attribute to something unique.
  Remove Duplicate Declaration: If you find that the attribute is indeed declared multiple times, remove the duplicate declaration from the interface.
  Review Inheritance: If the interface is inheriting from another interface, check the parent interface for the attribute definition and decide whether you need to redefine it or if you can use the inherited attribute.
  
  Related Information:
  
  Interface Definition: In ABAP, an interface is a contract that defines methods and attributes that implementing classes must adhere to. Attributes in interfaces are typically used to define properties that implementing classes will have.
  ABAP Workbench Tools: Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to navigate and manage your interfaces and their attributes.
  Documentation: Refer to the official SAP documentation for Object-Oriented ABAP for more detailed information on interfaces and attributes.
  
  By following these steps, you should be able to resolve the OO713 error and successfully manage your interface definitions in SAP.