How To Fix CNV_MBT451 - Manual changes of reading types have been saved

CNV_MBT451 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 451

• Message text: Manual changes of reading types have been saved

Self-Explanatory Message

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CNV_MBT451 - Details

• The SAP error message CNV_MBT451, which states "Manual changes of reading types have been saved," typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that there are manual changes made to reading types in the system that have been saved, which may conflict with the migration process.
  
  Cause:
  
  Manual Changes: The error is triggered when there are manual adjustments made to reading types in the system that are not aligned with the expected data structure or configuration during the migration.
  Data Consistency: The migration process expects a certain consistency in the data model, and any manual changes can lead to discrepancies.
  
  Configuration Issues: There may be configuration settings that are not properly aligned with the migration requirements.
  
  
  Solution:
  
  Review Manual Changes: Check the manual changes made to the reading types. If they are not necessary, consider reverting them to the original state.
  Data Validation: Validate