How To Fix SDMI120 - Migration class &1 already registered for software component &2

SDMI120 - Overview

• Message type: E = Error

• Message class: SDMI - Messages of SDMI

• Message number: 120

• Message text: Migration class &1 already registered for software component &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDMI120 - Migration class &1 already registered for software component &2 ?

  The SAP error message SDMI120 indicates that there is an issue with the migration class already being registered for a specific software component. This typically occurs during the migration or upgrade process when the system detects that a migration class has already been registered, which can lead to conflicts or inconsistencies.
  
  Cause:
  
  Duplicate Registration: The migration class specified in the error message has already been registered for the software component mentioned. This can happen if the migration process was attempted multiple times or if there was an incomplete previous migration.
  System 
  Configuration Issues: There may be inconsistencies in the system configuration or metadata that lead to the registration being recognized multiple times.
  Incorrect Migration Steps: If the migration steps were not followed correctly, it could lead to this error.
  
  
  Solution:
  
  
  Check Existing Registrations: 
  
  Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check if the migration class is already registered. Look for entries