How To Fix SMT_CONFIG153 - Check structure field &1-&2 is not assigned

SMT_CONFIG153 - Overview

• Message type: E = Error

• Message class: SMT_CONFIG - Configuration message class

• Message number: 153

• Message text: Check structure field &1-&2 is not assigned

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SMT_CONFIG153 - Check structure field &1-&2 is not assigned ?

  The SAP error message SMT_CONFIG153, which states "Check structure field &1-&2 is not assigned," typically occurs in the context of SAP's data migration tools, particularly when working with the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific field in a structure is not properly assigned or mapped in the configuration settings.
  
  Cause:
  
  Field Mapping Issues: The error usually arises when a field in the source structure is not mapped to a corresponding field in the target structure. This can happen if the field is missing in the target structure or if there is a mismatch in the field names or types.
  Configuration Errors: There may be an issue in the configuration settings where the field is not included in the migration template or mapping configuration.
  Data Model Changes: If there have been changes in the data model (for example, during an upgrade or migration), certain fields may have been