How To Fix RTCMMD298 - Duplicate node number assignment for &

RTCMMD298 - Overview

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 298

• Message text: Duplicate node number assignment for &

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 RTCMMD298 - Duplicate node number assignment for & ?

  The SAP error message RTCMMD298, which states "Duplicate node number assignment for &," typically occurs in the context of Master Data Management (MDM) or when dealing with hierarchical data structures in SAP. This error indicates that there are two or more nodes in a hierarchy that have been assigned the same node number, which is not allowed.
  
  Cause:
  
  Duplicate Node Numbers: The primary cause of this error is that the same node number has been assigned to multiple nodes in a hierarchy. This can happen during data import, manual entry, or when merging data from different sources.
  Data Migration Issues: If data is being migrated from another system or if there are inconsistencies in the data being uploaded, it can lead to duplicate node numbers.
  Configuration Errors: Incorrect configuration in the hierarchy settings or in the data model can also lead to this issue.
  
  
  Solution:
  
  
  Identify Duplicate Nodes: 
  
  Use transaction codes like SE16 or SE11 to