Message type: E = Error
Message class:  FINS_CREDIT_MIG - Credit Management Migration 
Message number: 071
Message text: Master data migration not yet complete for credit account &1 &2
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The SAP error message FINS_CREDIT_MIG071 indicates that the master data migration for a credit account has not been completed. This typically occurs during the migration process when moving data from legacy systems to SAP S/4HANA or during the implementation of the credit management module.
Cause: Incomplete Migration: The master data for the credit account specified (indicated by &1 and &2 placeholders) has not been fully migrated or is missing. Data Validation Issues: There may be validation issues with the data that prevent it from being migrated successfully.
Configuration Issues: The credit management configuration may not be set up correctly, leading to incomplete data migration. Missing Dependencies: Other related master data or configuration settings that are required for the credit account may not have been migrated or set up.
Solution: Check Migration Status: Verify the status of the migration process to ensure that all necessary data has been migrated. You can use transaction codes like LT03 or LT10
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