How To Fix DO174 - Namespace in name & is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 174

• Message text: Namespace in name & is empty

What causes this issue?

INCLUDE DDDOC_NAMESPACE OBJECT DOKU ID TX
You defined an object name that begins with '//', that is an object
name with an empty namespace.

System Response

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

How to fix this error?

Procedure for System Administrators

Define the object name in the form described above.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO174 - Namespace in name & is empty ?

  The SAP error message DO174, which states "Namespace in name & is empty," typically occurs when there is an issue with the naming convention of an object in the SAP system. This error is often related to the use of namespaces in ABAP development, particularly when creating or modifying objects such as function modules, classes, or other repository objects.
  Cause:
  
  Empty Namespace: The error indicates that the namespace part of the object name is missing or not defined. In SAP, namespaces are used to avoid naming conflicts between different development objects.
  Incorrect Naming Convention: The object name may not conform to the required naming conventions, which include the use of a valid namespace.
  Transport Request Issues: If the object is being transported from one system to another, there may be issues with the transport request that affect the namespace.
  
  Solution:
  
  Check Object Name: Ensure that the object name you are trying to create or modify includes a valid namespace. The namespace should be defined according to your organization's naming conventions.
  Define Namespace: If you are developing in a custom namespace, make sure that it is properly defined in the SAP system. You can check this in transaction SE03 (Transport Organizer Tools) or SE80 (Object Navigator).
  Use Standard Namespace: If you are not using a custom namespace, ensure that you are using the standard namespace (usually a single letter, e.g., "Z" or "Y" for custom developments).
  Check Transport Requests: If the error occurs during a transport, check the transport request for any inconsistencies or issues related to the namespace.
  Consult Documentation: Review SAP documentation or guidelines regarding naming conventions and namespaces to ensure compliance.
  
  Related Information:
  
  Namespaces in SAP: Namespaces are used to categorize and manage objects in the SAP system. Custom namespaces typically start with "Z" or "Y" to differentiate them from standard SAP objects.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE03 (Transport Organizer), and SE11 (Data Dictionary) for managing objects and namespaces.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance.