How To Fix CNV_00001301 - value of &1 changed from '&2' to '&3'.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 301

• Message text: value of &1 changed from '&2' to '&3'.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001301 - value of &1 changed from '&2' to '&3'. ?

  The SAP error message CNV_00001301 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This message indicates that a value for a specific field has changed during the conversion process, which can lead to inconsistencies or issues in the data being migrated.
  Cause:
  The error message CNV_00001301 is triggered when:
  
  A value in the source system (represented by &2) is different from the value in the target system (represented by &3) for the same field (represented by &1).
  This discrepancy can arise due to various reasons, such as:
  
  Data transformation rules that modify the data during migration.
  Differences in data formats or types between the source and target systems.
  Manual changes made to the data in either the source or target systems after the initial extraction.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Data Mapping: Check the mapping rules defined for the data migration. Ensure that the transformation logic is correctly defined and that it aligns with the business requirements.
  
  
  Data Validation: Validate the data in both the source and target systems. Identify why the values differ and whether the change is acceptable or if it needs to be corrected.
  
  
  Adjust Transformation Rules: If the change in value is not intended, you may need to adjust the transformation rules or logic to ensure that the correct values are migrated.
  
  
  Check for Data Consistency: Ensure that the data in the source system is consistent and does not contain unexpected values that could lead to discrepancies during migration.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using (e.g., SLT, Data Services) for any known issues or additional troubleshooting steps.
  
  
  Log Analysis: Review the migration logs for additional context or related error messages that could provide more insight into the issue.
  
  
  Testing: If changes are made to the mapping or transformation rules, conduct thorough testing to ensure that the migration process works as expected without introducing new errors.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration best practices.
  Migration Tools: Familiarize yourself with the specific migration tool you are using, as each tool may have its own set of features, limitations, and troubleshooting steps.
  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 root cause of the CNV_00001301 error and implement an appropriate solution.