How To Fix DO171 - Namespace in name & does not begin at 1st position

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 171

• Message text: Namespace in name & does not begin at 1st position

What causes this issue?

INCLUDE DDDOC_NAMESPACE OBJECT DOKU ID TX
You specified an object name that contains a namespace definition with
'/', but the namespace definition does not start at the 1st position of
the name.

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 DO171 - Namespace in name & does not begin at 1st position ?

  The SAP error message DO171 indicates that there is an issue with the naming convention of a namespace in your SAP system. Specifically, the error states that the namespace in the name does not begin at the first position. This typically occurs when you are trying to create or modify an object (like a function module, class, or program) that is expected to follow specific naming conventions.
  Cause:
  
  Incorrect Namespace Usage: In SAP, namespaces are used to organize and manage objects. A namespace should start with a specific character (usually a letter) and should be positioned correctly in the name.
  Naming Convention Violation: The name of the object you are trying to create or modify does not adhere to the required naming conventions for namespaces. For example, if you are using a custom namespace, it should start with the correct prefix and be positioned correctly in the name.
  
  Solution:
  
  
  Check Naming Convention: Ensure that the name of the object you are trying to create or modify starts with the correct namespace and that the namespace is positioned at the beginning of the name.
  
  For example, if your namespace is /MYNS/, the object name should be /MYNS/OBJECT_NAME and not OBJECT_NAME/MYNS/.
  
  
  
  Use Correct Prefix: If you are using a custom namespace, make sure that it is registered and that you are using the correct prefix as defined in the SAP system.
  
  
  Modify Object Name: If the object name does not conform to the naming conventions, modify it to ensure that it starts with the correct namespace.
  
  
  Consult Documentation: Refer to the SAP documentation or guidelines for naming conventions related to the specific type of object you are working with.
  
  
  Related Information:
  
  Namespaces in SAP: Namespaces are used to avoid naming conflicts between different development objects. They are particularly important in systems with multiple developers or when integrating with third-party solutions.
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to check and manage your objects and their namespaces.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error message.
  
  By following these steps, you should be able to resolve the DO171 error and ensure that your object names conform to the required naming conventions in SAP.