How To Fix M2726 - Unit & with hierarchy & alrady exists for event & (TMC24)

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 726

• Message text: Unit & with hierarchy & alrady exists for event & (TMC24)

What causes this issue?

When adding a new entry, the SAP system has found the correct entry in
the table.

System Response

The system continues the generation, although this status suggests an
inconsistent system.

How to fix this error?

If errors such as these happen regularly, you should check if incorrect
transports have taken place in this SAP system.
An incorrect transport design could be the cause of this.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2726 - Unit & with hierarchy & alrady exists for event & (TMC24) ?

  The SAP error message M2726 indicates that there is an issue with the unit of measure (UoM) in the context of a hierarchy that already exists for a specific event. This error typically arises in the context of materials management or logistics when trying to create or modify a record that involves units of measure.
  Cause:
  The error message M2726 is triggered when:
  
  You are trying to create or modify a unit of measure that is already defined in the system for a specific event or hierarchy.
  There may be a conflict with existing data, such as trying to assign a unit of measure that is already in use or defined in a way that conflicts with the current operation.
  
  Solution:
  To resolve the M2726 error, you can take the following steps:
  
  
  Check Existing Units of Measure:
  
  Navigate to the relevant transaction in SAP (e.g., MM03 for material master) and check if the unit of measure you are trying to create or modify already exists for the specified event or hierarchy.
  
  
  
  Review Hierarchy Settings:
  
  Ensure that the hierarchy settings for the unit of measure are correctly configured. You may need to adjust the hierarchy or remove the conflicting entry.
  
  
  
  Modify or Delete Conflicting Entries:
  
  If you find that the unit of measure is already in use, consider whether you can modify or delete the existing entry if it is no longer needed.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to units of measure and event hierarchies to ensure you are following the correct procedures.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or tools to help diagnose the problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage materials and their units of measure.
  Unit of Measure Configuration: Understanding how units of measure are configured in SAP can help prevent similar issues in the future. This includes knowing how to set up base units, alternative units, and conversion factors.
  SAP Notes: Check for any SAP Notes related to error M2726 or similar issues, as they may provide specific fixes or patches.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.