How To Fix CNV_20900222 - Check for Old Value: &1 New Value: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 222

• Message text: Check for Old Value: &1 New Value: &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900222 - Check for Old Value: &1 New Value: &2 ?

  The SAP error message CNV_20900222 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a discrepancy between the old value and the new value being processed. 
  Cause:
  The error message CNV_20900222 Check for Old Value: &1 New Value: &2 suggests that the system has detected an inconsistency or an unexpected change in the data being migrated. This could be due to several reasons, including:
  
  Data Integrity Issues: The old value in the source system does not match the expected value in the target system.
  Mapping Errors: The mapping rules defined for the data migration may not be correctly set up, leading to incorrect transformations.
  Data Type Mismatches: The data types of the fields being migrated may not be compatible, causing the system to reject the new value.
  Business Logic Violations: The new value may violate business rules or constraints defined in the target system.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Review the Migration Mapping: Check the mapping rules defined for the data migration. Ensure that the old values are correctly mapped to the new values and that there are no discrepancies.
  
  
  Validate Data Integrity: Verify the data in the source system to ensure that it is consistent and meets the expected criteria. Look for any anomalies or unexpected values.
  
  
  Check Data Types: Ensure that the data types of the fields being migrated are compatible. If necessary, adjust the data types in the source or target system to match.
  
  
  Examine Business Rules: Review any business rules or constraints in the target system that may be causing the new value to be rejected. Adjust the data accordingly to comply with these rules.
  
  
  Use Logs for Debugging: Check the migration logs for more detailed information about the error. This can provide insights into which specific records are causing the issue.
  
  
  Test with Sample Data: If possible, run a test migration with a small set of data to isolate the issue and identify the specific records that are causing the error.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or additional troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP community forums or support channels to see if other users have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete the data migration process.