How To Fix MDM_GX_MSG021 - Maintain the input hierarchy list in customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: MDM_GX_MSG - Message class

• Message number: 021

• Message text: Maintain the input hierarchy list in customizing

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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Smart SAP Assistant

• What is the cause and solution for SAP error message MDM_GX_MSG021 - Maintain the input hierarchy list in customizing ?

  The SAP error message MDM_GX_MSG021 typically indicates that there is an issue with the input hierarchy list in the Master Data Management (MDM) module. This error often arises when the system cannot find the necessary hierarchy configuration for processing a specific transaction or data entry.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Hierarchy Configuration: The input hierarchy that is required for the transaction is not defined or is incomplete in the system.
  Incorrect Customizing Settings: The customizing settings for the hierarchy might not be properly maintained, leading to the system being unable to retrieve the necessary hierarchy data.
  Data Inconsistencies: There may be inconsistencies or errors in the data that are preventing the hierarchy from being recognized.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Hierarchy Configuration:
  
  Go to the customizing settings in SAP (transaction code SPRO).
  Navigate to the relevant section for maintaining the input hierarchy list.
  Ensure that the required