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

ATO_NAMESPACE_CUST001 - Overview

• 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