How To Fix EM446 - Short name &1 already assigned for mig. object &2 in execution plan

SAP Error Message - Details

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 446

• Message text: Short name &1 already assigned for mig. object &2 in execution plan

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EM446 - Short name &1 already assigned for mig. object &2 in execution plan ?

  The SAP error message EM446 indicates that there is a conflict with the short name assigned to a migration object in an execution plan. This typically occurs during data migration processes, such as when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error message EM446 is triggered when:
  
  A short name (identifier) that is already in use for a migration object is being reassigned or duplicated in the execution plan.
  There may be a naming conflict due to multiple migration objects trying to use the same short name, which is not allowed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Review the execution plan and identify the migration objects that are already assigned the short name in question.
  Ensure that each migration object has a unique short name.
  
  
  
  Modify Short Names:
  
  If you find that the short name is duplicated, change the short name of one of the conflicting migration objects to a unique value.
  Ensure that the new short name adheres to any naming conventions or restrictions set by your organization or SAP.
  
  
  
  Review Execution Plan:
  
  Go through the execution plan to ensure that all migration objects are correctly configured and that there are no other conflicts.
  
  
  
  Re-run the Migration:
  
  After making the necessary changes, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or migration guides specific to the version you are using for any additional insights or best practices regarding naming conventions and execution plans.
  
  
  
  Seek Support:
  
  If the issue continues after trying the above steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP migrations.
  
  
  
  Related Information:
  
  Migration Cockpit: This is a tool provided by SAP for data migration to S/4HANA. Understanding how to use it effectively can help avoid such errors.
  Execution Plan: This is a structured outline of the steps and objects involved in the migration process. Familiarity with how to create and manage execution plans is crucial.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the EM446 error and proceed with your migration successfully.