How To Fix MU064 - A system error has occurred in management of the hierarchy display

MU064 - Overview

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 064

• Message text: A system error has occurred in management of the hierarchy display

What causes this issue?

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

System Response

In certain cases, you can continue to work, but no longer using the
hierarchy display. The system decides itself which is the case.

How to fix this error?

Please inform your system administrator.

Procedure for System Administrators

The command &V1& returned the error &V2&.

Error message extract from SAP system. Copyright SAP SE.

MU064 - Details

• The SAP error message MU064, which states "A system error has occurred in management of the hierarchy display," typically indicates an issue related to the display of hierarchical data in SAP, often in the context of material management or similar modules. This error can arise due to various reasons, including:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data related to the hierarchy being displayed.
  Authorization Issues: The user may not have the necessary authorizations to view certain data in the hierarchy.
  System Configuration: Incorrect configuration settings in the SAP system can lead to errors in displaying hierarchical data.
  Technical Issues: There may be underlying technical issues, such as problems with the database or application server.
  SAP Notes: There may be known issues that have been documented in SAP Notes, which could provide fixes or workarounds.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the hierarchy data.
  Data Consistency Check: Run