How To Fix ATO_NAMESPACE_CUST001 - Items in namespace &1 cannot be added to the template.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 001

• Message text: Items in namespace &1 cannot be added to the template.

What causes this issue?

You want to add an item with namespace <(>&<)>1 to an extensibility
template. This is not allowed.

System Response

The namespace <(>&<)>1 does not have category development.
Only items from namespaces with category development can be added to a
template.
Standard Namespaces (e.g. YY1_; YY2_ ) are not supported in templates.

How to fix this error?

Adding items to a template is only allowed for namespaces with category
development. Choose an item with a namespace in category development.
If you want to add an item from registered namespaces, please create an
template in the original system of this namespace.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ATO_NAMESPACE_CUST001 - Items in namespace &1 cannot be added to the template. ?

  The SAP error message ATO_NAMESPACE_CUST001 indicates that there is an issue with adding items to a template in the context of Advanced Variant Configuration (AVC) or similar scenarios where namespaces are involved. This error typically arises when there are restrictions or conflicts related to the namespace of the items you are trying to add.
  Cause:
  
  Namespace Conflict: The items you are trying to add belong to a different namespace than the one defined for the template. In SAP, namespaces are used to organize and manage objects, and mixing them can lead to conflicts.
  Authorization Issues: The user may not have the necessary authorizations to add items from the specified namespace to the template.
  Configuration Issues: There may be configuration settings that restrict the addition of certain items based on their namespace.
  Template Restrictions: The template itself may have restrictions that prevent the addition of items from certain namespaces.
  
  Solution:
  
  Check Namespace: Verify the namespace of the items you are trying to add and ensure that it matches the namespace of the template. If they do not match, you will need to either change the namespace of the items or create a new template that matches the namespace of the items.
  Review Authorizations: Ensure that the user has the necessary authorizations to add items from the specified namespace. This may involve checking user roles and permissions in the SAP system.
  Configuration Review: Review the configuration settings related to the template and the items. Look for any settings that may restrict the addition of items from certain namespaces.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing namespaces and templates in your version of SAP.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  Related Information:
  
  Namespace Management: Understanding how namespaces work in SAP can help prevent similar issues in the future. Familiarize yourself with the concept of namespaces and how they are used in your specific SAP environment.
  User Roles and Authorizations: Review the roles assigned to users and ensure they have the necessary permissions to perform actions related to templates and items.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.