How To Fix SAP_NWBC026 - Tag &1 is in the SAP namespace; the defined tag overrules the SAP tag

SAP_NWBC026 - Overview

• Message type: E = Error

• Message class: SAP_NWBC - NWBC Messages

• Message number: 026

• Message text: Tag &1 is in the SAP namespace; the defined tag overrules the SAP tag

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.

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SAP_NWBC026 - Details

• The SAP error message SAP_NWBC026 indicates that there is a conflict between a custom tag defined in your SAP system and a standard SAP tag. Specifically, the message states that a tag (denoted as &1 in the error message) is in the SAP namespace, and the custom-defined tag is overriding the standard SAP tag.
  
  Cause:
  
  Namespace Conflict: The error typically arises when a custom development (like a custom UI5 application or a custom Web Dynpro application) defines a tag that has the same name as a standard SAP tag. This can lead to unexpected behavior since the system may not know which tag to prioritize.
  Custom Development: If you or your team have created custom components or applications that use the same tag names as those defined by SAP, this conflict will trigger the error.
  
  
  Solution:
  
  Rename Custom Tags: The most straightforward solution is to rename the custom tag to something unique that does not