How To Fix FML_MIGRATION001 - Inconsistencies: Number of entries differ in S/4 ML Control Record table

SAP Error Message - Details

• Message type: E = Error

• Message class: FML_MIGRATION - Message Class for S/4HANA ML Migration

• Message number: 001

• Message text: Inconsistencies: Number of entries differ in S/4 ML Control Record table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FML_MIGRATION001 - Inconsistencies: Number of entries differ in S/4 ML Control Record table ?

  The SAP error message FML_MIGRATION001 indicates that there are inconsistencies in the Material Ledger (ML) control record table in your S/4HANA system. This error typically arises during the migration process or when trying to activate the Material Ledger functionality. The specific issue is that the number of entries in the control record table does not match the expected number of entries based on the configuration or the data in the system.
  Cause
  The inconsistency can be caused by several factors, including:
  
  Data Migration Issues: During the migration from an older SAP system or from a non-SAP system, data may not have been transferred correctly, leading to mismatches in the control records.
  Configuration Errors: Incorrect configuration settings for the Material Ledger can lead to discrepancies in the expected number of entries.
  Manual Changes: Manual changes to the Material Ledger data or control records can result in inconsistencies.
  System Upgrades: Upgrading from an older version of SAP to S/4HANA may introduce inconsistencies if the upgrade process did not handle the Material Ledger data correctly.
  
  Solution
  To resolve the FML_MIGRATION001 error, you can follow these steps:
  
  
  Check the Control Record Table: Use transaction codes like SE16 or SE11 to view the control record table (usually MLCR or similar) and verify the number of entries. Compare this with the expected number of entries based on your configuration.
  
  
  Run the Migration Report: If you are in the process of migrating data, ensure that you run the appropriate migration reports or programs provided by SAP to correct any inconsistencies. Look for reports related to Material Ledger migration.
  
  
  Adjust Configuration: Review the configuration settings for the Material Ledger in your system. Ensure that all necessary settings are correctly configured and that they align with the data in the control record table.
  
  
  Data Consistency Check: Use the SAP transaction code CKMLCP to perform a consistency check on the Material Ledger. This transaction can help identify and correct inconsistencies.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can help resolve the issue.
  
  
  Engage SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific details of your system and the error encountered.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CKMLCP (Material Ledger: Consistency Check) and SE16 (Data Browser) for checking tables.
  SAP Documentation: Review the official SAP documentation for Material Ledger and migration processes to understand the expected configurations and data structures.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the inconsistency and take appropriate action to resolve the FML_MIGRATION001 error.