How To Fix FINS_FI_MIG312 - Already existing entry changed for table &1: &2

FINS_FI_MIG312 - Overview

• Message type: E = Error

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

• Message number: 312

• Message text: Already existing entry changed for table &1: &2

Self-Explanatory Message

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FINS_FI_MIG312 - Details

• The SAP error message FINS_FI_MIG312 indicates that there is an issue with data migration, specifically that an entry that already exists in a specified table has been changed. This error typically arises during the migration of financial data, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error occurs when:
  
  Duplicate Entries: The migration process is attempting to insert or update a record in a table where an entry with the same key already exists, but the data being migrated is different from the existing entry.
  Data Consistency Issues: There may be inconsistencies in the data being migrated, such as changes in the source system that were not reflected in the migration files.
  Incorrect Mapping: The mapping of fields from the source to the target system may not be correctly defined, leading to conflicts.
  
  
  Solution:
  To resolve the FINS_FI_MIG312 error, you can take the following steps:
  
  
  Identify the Table and Entry: The error message