How To Fix G0778 - Hierarchy buffer in table MCDX has been reset

SAP Error Message - Details

• Message type: E = Error

• Message class: G0 - Messages for SAP Consolidation

• Message number: 778

• Message text: Hierarchy buffer in table MCDX has been reset

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message G0778 - Hierarchy buffer in table MCDX has been reset ?

  The SAP error message G0778, which states "Hierarchy buffer in table MCDX has been reset," typically relates to issues with the hierarchy data in the SAP system. This error can occur in various contexts, particularly when dealing with master data or when performing operations that involve hierarchical structures, such as cost centers, profit centers, or other organizational units.
  Cause:
  
  Data Consistency Issues: The hierarchy buffer may have been reset due to inconsistencies in the underlying data. This can happen if there are changes made to the hierarchy structure that are not properly reflected in the buffer.
  System Updates or Changes: If there have been recent updates or changes to the system, such as configuration changes or data migrations, it may lead to the hierarchy buffer being reset.
  Performance Optimization: The system may reset the hierarchy buffer as part of performance optimization processes, especially if it detects that the buffer is no longer valid or up-to-date.
  
  Solution:
  
  Rebuild the Hierarchy Buffer: You can try to rebuild the hierarchy buffer. This can often be done by executing a transaction that refreshes the hierarchy data. For example, you might use transaction codes like KSH1 (Create Cost Center) or KSH2 (Change Cost Center) to trigger a refresh.
  Check for Data Inconsistencies: Review the hierarchy data for any inconsistencies or errors. Ensure that all relevant master data is correctly maintained and that there are no orphaned nodes or broken links in the hierarchy.
  Run Consistency Checks: Use SAP tools to run consistency checks on the hierarchy data. This can help identify and rectify any issues that may be causing the buffer to reset.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  System Restart: In some cases, a system restart may help clear temporary issues that could be causing the buffer reset.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with hierarchy management, such as KSH1, KSH2, KSH3 (Display Cost Center), and others depending on the specific hierarchy you are working with.
  SAP Documentation: Refer to the official SAP documentation for detailed information on hierarchy management and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation and resolution.