How To Fix >6121 - Field &1 is missing in the structure of the history

SAP Error Message - Details

• Message type: E = Error

• Message class: >6 - Purchasing Document

• Message number: 121

• Message text: Field &1 is missing in the structure of the history

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >6121 - Field &1 is missing in the structure of the history ?

  The SAP error message "6121 Field &1 is missing in the structure of the history" typically occurs when there is a mismatch between the data structure expected by the system and the actual data structure present in the database or application. This can happen in various contexts, such as during data migration, upgrades, or when working with historical data.
  Cause:
  
  Data Structure Changes: The field that is referenced in the error message (&1) may have been removed or renamed in the data structure of the history table or structure.
  Inconsistent Data Model: If there have been changes to the data model (e.g., adding or removing fields) and the historical data has not been updated accordingly, this error can occur.
  Custom Development: If there are custom developments or enhancements that reference fields that no longer exist in the structure, this can lead to this error.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production) and the transport did not include all necessary changes, this could lead to inconsistencies.
  
  Solution:
  
  Check Data Structure: Verify the structure of the history table or structure in question. Ensure that the field mentioned in the error message exists.
  Update Data Model: If the field has been removed or renamed, consider updating the historical data or the data model to ensure consistency.
  Adjust Custom Code: If there are custom programs or enhancements that reference the missing field, you may need to modify the code to handle the absence of that field.
  Transport Consistency: Ensure that all necessary transports have been applied correctly and that the data model is consistent across all environments (development, testing, production).
  Data Migration: If this error occurs during a data migration process, ensure that the migration scripts or processes are updated to reflect the current data structure.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the structure of the relevant tables or structures.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the error is being triggered.
  Documentation: Review any documentation related to recent changes in the system that might have affected the data structure.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.