How To Fix D0765 - & is already defined as a class or interface

SAP Error Message - Details

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 765

• Message text: & is already defined as a class or interface

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE D0751 OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0765 - & is already defined as a class or interface ?

  The SAP error message D0765 typically indicates that there is a naming conflict in your ABAP code, specifically that a name you are trying to use for a data element, structure, or other object is already defined as a class or interface. This can happen when you attempt to create a new object with a name that is already reserved or used by an existing class or interface in the SAP system.
  Cause:
  
  Naming Conflict: The name you are trying to use for your new object (like a data element, structure, or function) is already taken by an existing class or interface.
  Namespace Issues: If you are working in a namespace that is shared with other developers or standard SAP objects, it is possible that the name you chose is already in use.
  Typographical Errors: Sometimes, a simple typo can lead to confusion about whether a name is already in use.
  
  Solution:
  
  Rename the Object: The most straightforward solution is to rename your object to something unique that does not conflict with existing classes or interfaces.
  Check Existing Definitions: Use transaction SE80 (Object Navigator) or SE11 (Data Dictionary) to search for existing classes or interfaces with the same name. This will help you confirm if the name is indeed in use.
  Use a Unique Prefix: If you are developing custom objects, consider using a unique prefix for your custom classes, interfaces, or data elements to avoid naming conflicts with standard SAP objects.
  Review Naming Conventions: Follow SAP's naming conventions and guidelines to ensure that your object names are unique and descriptive.
  
  Related Information:
  
  ABAP Naming Conventions: Familiarize yourself with the naming conventions recommended by SAP for classes, interfaces, and other objects to avoid conflicts.
  Transaction Codes: Use SE80 for object navigation, SE11 for data dictionary objects, and SE24 for class definitions to manage and review your objects.
  Documentation: Refer to the SAP Help Portal or the ABAP documentation for more information on naming conventions and best practices.
  
  By following these steps, you should be able to resolve the D0765 error and continue with your development work in SAP.