How To Fix MDG_SF021 - Hierarchy processing of entity type &1 by &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_SF - MDG: Sample Model SFlight

• Message number: 021

• Message text: Hierarchy processing of entity type &1 by &2

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 MDG_SF021 - Hierarchy processing of entity type &1 by &2 ?

  The SAP error message MDG_SF021 typically relates to issues encountered during the hierarchy processing of an entity type in SAP Master Data Governance (MDG). This error can occur when there are problems with the hierarchy structure or when the system is unable to process the hierarchy for a specific entity type.
  Cause:
  
  Hierarchy Structure Issues: The hierarchy for the specified entity type may not be correctly defined or may contain inconsistencies.
  Missing Data: Required data for processing the hierarchy might be missing or incomplete.
  Configuration Errors: There may be configuration issues in the MDG settings related to the entity type or hierarchy processing.
  Authorization Issues: The user may not have the necessary authorizations to perform the hierarchy processing for the specified entity type.
  Technical Errors: There could be underlying technical issues, such as database inconsistencies or problems with the MDG application itself.
  
  Solution:
  
  Check Hierarchy Definition: Review the hierarchy structure for the entity type in question. Ensure that it is correctly defined and that all nodes are properly linked.
  Validate Data: Ensure that all required data for the hierarchy processing is present and correctly formatted. Check for any missing or incorrect entries.
  Review Configuration: Go through the MDG configuration settings related to the entity type and hierarchy processing. Make sure that everything is set up correctly.
  Check Authorizations: Verify that the user has the necessary authorizations to perform the hierarchy processing. If not, adjust the user roles accordingly.
  Analyze Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific issue causing the error.
  Technical Support: If the issue persists, consider reaching out to SAP support or your internal technical team for further investigation. They may need to look into the system logs or perform a deeper analysis.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration and SLG1 for log analysis.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to the MDG_SF021 error.
  Documentation: Review the official SAP documentation for Master Data Governance to understand the hierarchy processing and any specific requirements or limitations.
  
  By following these steps, you should be able to identify and resolve the issue related to the MDG_SF021 error message.