How To Fix CFD_DE_HANDLER013 - Extension &1 cannot be created. Name is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_DE_HANDLER - Custom Fields: Data Source Extension Handler

• Message number: 013

• Message text: Extension &1 cannot be created. Name is invalid.

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_DE_HANDLER013 - Extension &1 cannot be created. Name is invalid. ?

  The SAP error message CFD_DE_HANDLER013, which states "Extension &1 cannot be created. Name is invalid," typically occurs when there is an issue with the naming convention or format of the extension you are trying to create in the SAP system. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid Characters: The name of the extension may contain invalid characters or symbols that are not allowed in SAP naming conventions.
  Length Restrictions: The name may exceed the maximum length allowed for extension names in SAP.
  Reserved Names: The name you are trying to use might be reserved or already in use by another object in the system.
  Namespace Issues: If you are using a custom namespace, it may not be properly defined or may not conform to the required format.
  
  Solutions:
  
  
  Check Naming Conventions: Ensure that the name of the extension follows SAP's naming conventions. Typically, names should:
  
  Start with a letter.
  Contain only alphanumeric characters and underscores.
  Be within the allowed length (usually up to 30 characters).
  
  
  
  Avoid Reserved Names: Make sure that the name you are trying to use is not already taken or reserved by the system. You can check existing objects in the relevant transaction (e.g., SE80, SE11).
  
  
  Use Valid Namespace: If you are using a custom namespace, ensure that it is correctly defined in the system and follows the required format (e.g., //).
  
  
  Consult Documentation: Refer to SAP documentation or the specific module's guidelines for any additional naming rules that may apply.
  
  
  Error Logs: Check the system logs or error messages for more detailed information about why the name is considered invalid.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may 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 found.
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to explore existing objects and their naming conventions.
  
  If the issue persists after checking these aspects, consider reaching out to your SAP Basis or development team for further assistance.