Message type: E = Error
Message class:  FAGL_MIG - Migration to New General Ledger Accounting 
Message number: 261
Message text: Migration plan &1 has been completed; data can be deleted
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The SAP error message FAGL_MIG261 indicates that a migration plan has been completed, and the associated data can now be deleted. This message typically arises in the context of the migration from the classic General Ledger (G/L) to the new General Ledger (New G/L) in SAP.
Cause: The error message is informational rather than an error per se. It signifies that the migration process for a specific migration plan (identified by &1) has been successfully completed. As a result, the data related to that migration plan is no longer needed and can be deleted to free up space and improve system performance.
Solution: Review Migration Plan: Ensure that the migration plan has indeed been completed successfully and that all necessary data has been migrated correctly. You can check the status of the migration in the relevant transaction (e.g., transaction code FAGL_MIGRATION). Data Deletion: If you confirm that the migration is complete and you no longer
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