Message type: E = Error
Message class:  FAGL_MIG - Migration to New General Ledger Accounting 
Message number: 257
Message text: Account determination &1 for chart of accounts &2 does not exist
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The SAP error message FAGL_MIG257 indicates that there is an issue with account determination for a specific chart of accounts. This error typically arises during the migration process to the new General Ledger (G/L) in SAP, particularly when using the Migration Tool for the New G/L.
Cause: The error message FAGL_MIG257 occurs when the system cannot find a valid account determination for the specified account and chart of accounts. This can happen due to several reasons: Missing Configuration: The account determination for the specified chart of accounts has not been set up in the system. Incorrect Chart of Accounts: The chart of accounts specified in the error message may not be correctly assigned or may not exist in the system. Migration Issues: During the migration process, if the mapping of accounts from the old G/L to the new G/L is not done correctly, this error can occur. Data Inconsistencies: There may be inconsistencies in the data
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