How To Fix RTCMMD021 - Error in the hierarchy structure

RTCMMD021 - Overview

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 021

• Message text: Error in the hierarchy structure

What causes this issue?

An error occurred when reading the hierarchy data from the database and
caused the program to terminate. The cause could be that a hierarchy
data record has not been maintained completely, for example (missing
entry for top node in the material hierarchy).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the affected data records in the corresponding database tables.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD021 - Error in the hierarchy structure ?

  The SAP error message RTCMMD021, which indicates "Error in the hierarchy structure," typically arises in the context of Master Data Management (MDM) or when dealing with hierarchical data structures in SAP. This error can occur for various reasons, including issues with the hierarchy configuration, data inconsistencies, or problems with the way the hierarchy is being processed.
  Causes of RTCMMD021
  
  Incorrect Hierarchy Configuration: The hierarchy may not be set up correctly, leading to inconsistencies in parent-child relationships.
  Missing Nodes: There may be missing nodes or levels in the hierarchy that are required for proper structure.
  Data Inconsistencies: The data being processed may have inconsistencies, such as duplicate entries or invalid references.
  Improper Data Input: The data being uploaded or processed may not conform to the expected format or structure.
  Authorization Issues: Sometimes, the user may not have the necessary permissions to access or modify the hierarchy.
  
  Solutions to RTCMMD021
  
  
  Check Hierarchy Configuration:
  
  Review the hierarchy settings in the relevant transaction