How To Fix FINS_FI_MIG026 - Tables &1 and &2 do not have the same number of fields

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_FI_MIG - SAP S/4HANA Finance: Data Migration

• Message number: 026

• Message text: Tables &1 and &2 do not have the same number of fields

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_FI_MIG026 - Tables &1 and &2 do not have the same number of fields ?

  The SAP error message FINS_FI_MIG026 indicates that there is a mismatch in the number of fields between two tables that are being compared or processed during a migration or data transfer operation. This error typically arises in the context of financial data migration, particularly when using tools like the SAP Financial Data Migration (FDM) or similar processes.
  Cause:
  
  Schema Mismatch: The two tables involved in the operation have different structures, meaning one table has more or fewer fields than the other.
  Data Model Changes: Changes in the data model or configuration settings may have led to discrepancies in the expected structure of the tables.
  Incorrect Mapping: During the migration process, the mapping of fields between the source and target tables may not have been set up correctly.
  Version Differences: If the source and target systems are on different versions of SAP, there may be differences in the table structures.
  
  Solution:
  
  Check Table Structures: Verify the structures of both tables involved in the error. You can do this using transaction codes like SE11 (Data Dictionary) to compare the fields and their definitions.
  Adjust Mapping: If you are using a migration tool, review the mapping configuration to ensure that all fields are correctly aligned between the source and target tables.
  Update Data Model: If there have been changes to the data model, ensure that both tables are updated accordingly to reflect the same structure.
  Consult Documentation: Refer to SAP documentation or release notes for any changes in the data model that may affect the tables in question.
  Testing: After making adjustments, perform a test migration to ensure that the error is resolved and that data is being transferred correctly.
  
  Related Information:
  
  Transaction Codes: Use SE11 to view and compare table structures, SE37 for function modules, and ST22 for dump analysis if needed.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration issues.
  Migration Tools: Familiarize yourself with the specific migration tools and their configurations, as they may have specific requirements for table structures.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.