How To Fix EM101 - Legacy system key &1 has already been migrated

EM101 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 101

• Message text: Legacy system key &1 has already been migrated

What causes this issue?

The data object with legacy system key &V1& has already been migrated
and cannot be migrated again.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Check key and status management.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM101 - Legacy system key &1 has already been migrated ?

  The SAP error message EM101 indicates that a legacy system key has already been migrated. This typically occurs during the process of migrating data from a legacy system into SAP, where the system is trying to import or process data that has already been migrated previously.
  
  Cause:
  
  Duplicate Migration Attempt: The most common cause of this error is that the system is attempting to migrate data for a legacy system key that has already been processed. This can happen if the migration process is run multiple times without proper checks.
  Incorrect Data: There may be an issue with the data being imported, such as incorrect legacy system keys or data that does not match the expected format.
  
  Configuration Issues: There might be configuration settings in the migration tool that are not set correctly, leading to the system not recognizing that the key has already been migrated.
  
  
  Solution:
  
  Check Migration Logs: Review the migration logs to identify