How To Fix AXT_MIGRATION004 - Underlying structure &1 is not compatible for a migration

AXT_MIGRATION004 - Overview

• Message type: E = Error

• Message class: AXT_MIGRATION - Messages for EEWB migration

• Message number: 004

• Message text: Underlying structure &1 is not compatible for a migration

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 AXT_MIGRATION004 - Underlying structure &1 is not compatible for a migration ?

  The SAP error message AXT_MIGRATION004 indicates that there is an issue with the underlying structure of a data object that is being migrated. This error typically arises during data migration processes, such as when using the SAP S/4HANA Migration Cockpit or other migration tools. The message suggests that the structure of the source data does not match the expected structure in the target system.
  
  Cause:
  
  Incompatible Data Structure: The source data structure may not align with the target structure required for migration. This can happen if there are differences in field types, lengths, or if certain fields are missing.
  Version Mismatch: The version of the source system may not be compatible with the target system, leading to structural differences.
  Custom Fields: If there are custom fields in the source system that do not exist in the target system, this can lead to incompatibility.
  Data Model Changes: Changes in the data model between versions of SAP