How To Fix EM146 - Data type &1 (migr. object &2) in migration object &3 already exists

EM146 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 146

• Message text: Data type &1 (migr. object &2) in migration object &3 already exists

What causes this issue?

The data types of a migration object cannot be used more than once.
Data type &V1& already exists in migration object &V3&. Migration
object &V2& cannot not be created as a referenced migration object in
hyper object &V3&.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM146 - Data type &1 (migr. object &2) in migration object &3 already exists ?

  The SAP error message EM146 indicates that there is a conflict during a data migration process. Specifically, it means that a data type (identified by &1) for a migration object (identified by &2) already exists in the target system for the specified migration object (identified by &3). This typically occurs when you are trying to import or migrate data that has already been imported or exists in the system.
  
  Cause:
  
  Duplicate Data: The most common cause is that the data you are trying to migrate already exists in the target system. This can happen if the migration process was run previously, or if there are overlapping data entries.
  Incorrect Mapping: There may be an issue with how the data is mapped during the migration process, leading to attempts to create duplicate entries.
  Data Integrity Issues: There may be integrity constraints in the target system that prevent the creation of duplicate entries.
  
  
  Solution:
  
  Check Existing Data: Before