How To Fix CMD_HIERARCHY021 - Hierarchy '&1' is inconsistent.

SAP Error Message - Details

• Message type: E = Error

• Message class: CMD_HIERARCHY - Messages for CMD_HIERARCHY Gateway service

• Message number: 021

• Message text: Hierarchy '&1' is inconsistent.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMD_HIERARCHY021 - Hierarchy '&1' is inconsistent. ?

  The SAP error message CMD_HIERARCHY021 indicates that there is an inconsistency in a hierarchy, specifically with the hierarchy identified by '&1'. This error typically arises in the context of SAP's data management, particularly when dealing with master data hierarchies in areas such as SAP BW (Business Warehouse) or SAP ERP.
  Cause:
  
  Data Integrity Issues: The hierarchy may have been altered or corrupted, leading to inconsistencies in the structure. This can happen due to manual changes, data uploads, or system migrations.
  Missing Nodes: Some nodes in the hierarchy may be missing or incorrectly linked, which can cause the hierarchy to be invalid.
  Incorrect Hierarchy Levels: The levels of the hierarchy may not be properly defined, leading to discrepancies in how the data is organized.
  Inconsistent Attributes: Attributes associated with the hierarchy nodes may not match the expected values or formats.
  
  Solution:
  
  Check Hierarchy Structure: Review the hierarchy structure in the SAP system to identify any missing or incorrectly linked nodes. You can do this through transaction codes like RSH1 (for InfoObjects) or RSH2 (for hierarchies).
  Rebuild the Hierarchy: If the hierarchy is significantly corrupted, it may be necessary to delete and recreate it. Ensure that all nodes and levels are correctly defined.
  Validate Data: Run consistency checks on the data associated with the hierarchy. This can often be done using standard SAP tools or reports designed for data validation.
  Use SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to this error message. Applying a relevant note may resolve the inconsistency.
  Consult Documentation: Review SAP documentation for guidelines on maintaining and managing hierarchies to ensure compliance with best practices.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to hierarchy management, such as RSH1, RSH2, and RSH3.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex data structures or system configurations.
  
  By following these steps, you should be able to identify and resolve the inconsistency in the hierarchy that is causing the CMD_HIERARCHY021 error.