How To Fix SAP_NWBC021 - Tag ID &1 is in customer's namespace and will not be transported

SAP Error Message - Details

• Message type: E = Error

• Message class: SAP_NWBC - NWBC Messages

• Message number: 021

• Message text: Tag ID &1 is in customer's namespace and will not be transported

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 SAP_NWBC021 - Tag ID &1 is in customer's namespace and will not be transported ?

  The SAP error message SAP_NWBC021 indicates that a specific Tag ID (identified by &1) is in the customer's namespace and, as a result, it cannot be transported. This typically occurs in the context of SAP NetWeaver Business Client (NWBC) or when dealing with custom developments in SAP systems.
  Cause:
  
  Customer Namespace: The Tag ID in question is part of the customer namespace (usually prefixed with a specific identifier like Z or Y). SAP restricts the transport of objects in the customer namespace to prevent unintended changes to custom developments.
  Transport Request: The transport request may be trying to include objects that are not allowed to be transported due to their namespace designation.
  
  Solution:
  
  Check the Tag ID: Verify the Tag ID mentioned in the error message. Ensure that it is indeed in the customer namespace.
  Manual Transport: If you need to transport the Tag ID, you may need to manually recreate it in the target system instead of relying on the transport mechanism.
  Adjust Transport Settings: If you believe the Tag ID should be transportable, check the transport settings and configurations in your SAP system. However, be cautious with changes to transport settings, as they can affect system integrity.
  Documentation: Review SAP documentation or notes related to NWBC and transport management for any specific guidelines or updates regarding customer namespaces.
  Consult SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP Support for guidance tailored to your specific situation.
  
  Related Information:
  
  Namespaces in SAP: Understand the difference between SAP standard namespaces (A, B, C) and customer namespaces (Y, Z). Objects in customer namespaces are typically reserved for custom developments.
  Transport Management System (TMS): Familiarize yourself with how the TMS works in SAP, including how to create and manage transport requests.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional context or solutions.
  
  By following these steps, you should be able to address the error message and understand the implications of working with objects in the customer namespace.