How To Fix COM_PR_MDCHECK023 - No valid root category (GUID &2) in hierarchy &1

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PR_MDCHECK - Consistency Checks for Product Master Data

• Message number: 023

• Message text: No valid root category (GUID &2) in hierarchy &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_PR_MDCHECK023 - No valid root category (GUID &2) in hierarchy &1 ?

  The SAP error message COM_PR_MDCHECK023 indicates that there is no valid root category (identified by its GUID) in the specified hierarchy. This error typically arises in the context of SAP's Product Lifecycle Management (PLM) or Material Management (MM) modules, particularly when dealing with product hierarchies or classifications.
  Cause:
  
  Missing Root Category: The root category specified by the GUID does not exist in the hierarchy. This could be due to deletion or incorrect configuration.
  Incorrect Hierarchy Assignment: The hierarchy might not be properly assigned to the product or material, leading to the system being unable to locate the root category.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the database tables that manage hierarchies and categories.
  Transport Issues: If the hierarchy was transported from one system to another, there might have been issues during the transport process that led to missing data.
  
  Solution:
  
  
  Check Hierarchy Configuration:
  
  Go to the relevant transaction (e.g., COMMPR01 for product hierarchy) and verify that the hierarchy is correctly set up.
  Ensure that the root category exists and is active.
  
  
  
  Validate GUID:
  
  Use transaction SE11 to check the table that holds the hierarchy data (e.g., COMM_HIER) and verify that the GUID mentioned in the error message corresponds to an existing entry.
  
  
  
  Recreate or Adjust Hierarchy:
  
  If the root category is missing, you may need to recreate it or adjust the hierarchy to ensure that it points to a valid root category.
  
  
  
  Check for Data Consistency:
  
  Run consistency checks or reports that can help identify any inconsistencies in the hierarchy data.
  
  
  
  Transport Issues:
  
  If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as COMMPR01 (Product Hierarchy Maintenance) and COMMPR02 (Product Hierarchy Display).
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal for any known issues or fixes.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.