How To Fix ATO_NAMESPACE_CUST003 - Namespace &1 is not permitted in this system.

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_NAMESPACE_CUST - ATO Namespace Related Messages for End User

• Message number: 003

• Message text: Namespace &1 is not permitted in this system.

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 ATO_NAMESPACE_CUST003 - Namespace &1 is not permitted in this system. ?

  The SAP error message ATO_NAMESPACE_CUST003 indicates that a specific namespace (denoted by &1) is not permitted in the current SAP system. This typically occurs when you are trying to create or use an object (like a custom development object) that falls under a namespace that is not allowed or recognized by the system.
  Cause:
  
  Namespace Restrictions: The namespace you are trying to use is not defined or is restricted in the system. SAP systems have predefined namespaces, and custom namespaces must be registered and permitted.
  Configuration Issues: The system may not be configured to allow the use of certain namespaces, especially if it is a standard SAP system without custom development.
  Transport Layer Issues: If you are working in a transport layer that does not allow certain namespaces, you may encounter this error.
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to transaction SE03 (Transport Organizer Tools) and check the namespace settings.
  Ensure that the namespace you are trying to use is defined and permitted in the system.
  
  
  
  Register the Namespace:
  
  If you need to use a custom namespace, you may need to register it. This can typically be done through transaction SE03 or by contacting your SAP Basis administrator to register the namespace.
  
  
  
  Use a Different Namespace:
  
  If the namespace is not permitted and cannot be registered, consider using a different namespace that is allowed in your system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to namespaces and custom development to ensure compliance with best practices.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production system.
  
  
  
  Related Information:
  
  Namespaces in SAP: Namespaces are used to organize and manage custom developments in SAP systems. They help avoid naming conflicts between standard SAP objects and custom objects.
  Standard Namespaces: SAP has standard namespaces (like /SAP/ for SAP standard objects) and custom namespaces (which usually start with a specific prefix defined by the organization).
  Development Guidelines: Always follow SAP's guidelines for naming conventions and namespace usage to avoid issues during development and transport.
  
  By following these steps, you should be able to address the ATO_NAMESPACE_CUST003 error effectively.