How To Fix /UI2/SAP_NWBC021 - Tag ID &1 is in customer's namespace and will not be transported

/UI2/SAP_NWBC021 - Overview

• Message type: E = Error

• Message class: /UI2/SAP_NWBC -

• Message number: 021

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

Self-Explanatory Message

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/UI2/SAP_NWBC021 - Details

• The SAP error message /UI2/SAP_NWBC021 indicates that a Tag ID (in this case, represented by &1) is in the customer's namespace and therefore cannot be transported. This typically occurs in the context of SAP Fiori or SAP NetWeaver Business Client (NWBC) when dealing with custom developments or configurations.
  
  Cause:
  
  Custom Namespace: The Tag ID is defined in a customer-specific namespace (usually starting with a "Z" or "Y"), which means it is not part of the standard SAP namespace. SAP restricts the transport of certain objects in customer namespaces to prevent conflicts and ensure that custom developments are managed properly.
  Transport Management: The transport system in SAP is designed to manage the movement of objects between different environments (development, quality assurance, production). Objects in the customer namespace are typically not included in standard transports to avoid overwriting or conflicting with standard SAP objects.
  
  
  Solution:
  
  Manual Transport: If you need to transport the Tag ID, you may