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

SAP Error Message - Details

• 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.

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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 deprecated or renamed, leading to this error.
  
  Solution:
  
  
  Check Field Mapping: Review the mapping configuration for the migration project. Ensure that all required fields in the source structure are correctly mapped to the target structure. You can do this by:
  
  Accessing the migration cockpit or the relevant transaction for data migration.
  Checking the mapping settings for the specific migration object.
  
  
  
  Update Configuration: If you find that the field is not assigned, you may need to:
  
  Add the missing field to the mapping configuration.
  Ensure that the field names and data types match between the source and target structures.
  
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration object you are working with. This documentation often provides details on required fields and their mappings.
  
  
  Test Migration: After making the necessary adjustments, perform a test migration to ensure that the error is resolved and that data is being migrated correctly.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on your specific scenario.
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit, as it provides tools and templates for data migration.
  Data Migration Best Practices: Review best practices for data migration in SAP, including data cleansing, validation, and testing.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  By following these steps, you should be able to identify the cause of the SMT_CONFIG153 error and implement a solution to resolve it.