How To Fix FDT_CORE064 - Application name &1 already used in comp &2 within SAP dev. landscape

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 064

• Message text: Application name &1 already used in comp &2 within SAP dev. landscape

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 FDT_CORE064 - Application name &1 already used in comp &2 within SAP dev. landscape ?

  The SAP error message FDT_CORE064 indicates that there is a conflict with the application name you are trying to use in the SAP development landscape. Specifically, it means that the application name you are attempting to register or use is already in use in another component or context within the SAP system.
  Cause:
  
  Duplicate Application Name: The application name you are trying to create or register is already in use by another application or component in the SAP system.
  Development Landscape: This error often arises in a multi-system landscape (e.g., Development, Quality Assurance, Production) where the same application name is being used across different components or systems.
  Namespace Conflicts: If you are using a custom namespace, there might be conflicts with standard or other custom applications.
  
  Solution:
  
  Check Existing Applications: Verify if the application name you are trying to use is already registered. You can do this by checking the relevant tables or using transaction codes like FDT_APP or FDT_APP_MAINTAIN.
  Rename the Application: If the application name is indeed in use, consider renaming your application to a unique name that does not conflict with existing applications.
  Namespace Management: If you are developing custom applications, ensure that you are using a unique namespace to avoid conflicts with standard SAP applications or other custom applications.
  Transport Requests: If you are working in a development environment, ensure that any transport requests that might have included the application name have been properly managed and do not conflict with your current development efforts.
  Consult Documentation: Review SAP documentation or notes related to the specific application or component you are working with for any additional guidance or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with transaction codes related to application management in SAP, such as FDT_APP, FDT_APP_MAINTAIN, and others that may help you manage applications effectively.
  
  By following these steps, you should be able to resolve the FDT_CORE064 error and successfully manage your application names within the SAP development landscape.