How To Fix STB_WZ_WIZARD059 - Class & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: STB_WZ_WIZARD - Messages for ABAP Workbench Wizards

• Message number: 059

• Message text: Class & already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message STB_WZ_WIZARD059 - Class & already exists ?

  The SAP error message STB_WZ_WIZARD059 with the description "Class & already exists" typically occurs when you are trying to create a new class in the ABAP Workbench (SE80 or SE24) that has the same name as an existing class. This can happen during the development of ABAP programs or when using the Class Builder.
  Cause:
  The error is caused by attempting to create a class with a name that is already in use within the SAP system. SAP class names must be unique within the namespace, and if you try to create a class with a name that already exists, the system will throw this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Classes:
  
  Use transaction SE80 or SE24 to search for the class name you are trying to create. Make sure that the class does not already exist.
  If it does exist, you may want to modify the existing class instead of creating a new one.
  
  
  
  Choose a Different Name:
  
  If you need to create a new class, choose a different name that does not conflict with existing classes. Ensure that the new name adheres to the naming conventions and is unique.
  
  
  
  Namespace Consideration:
  
  If you are working in a development environment with multiple namespaces, ensure that you are using the correct namespace. Classes in different namespaces can have the same name, but they must be referenced correctly.
  
  
  
  Transport Requests:
  
  If you are working with transport requests, ensure that the class you are trying to create is not already included in a transport request that is pending or has not been released.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE24 (Class Builder)
  Naming Conventions: SAP has specific naming conventions for classes, interfaces, and other objects. Make sure to follow these conventions to avoid conflicts.
  Development Guidelines: Familiarize yourself with SAP development guidelines to ensure that you are following best practices when creating new objects.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or development team for further assistance. They may have additional insights or access to system logs that can help diagnose the problem.