How To Fix CNV20400002 - Enter a valid domain

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 002

• Message text: Enter a valid domain

What causes this issue?

No domain was specified.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a domain that exists in table CNVDOMS.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20400002 - Enter a valid domain ?

  The SAP error message CNV20400002: Enter a valid domain 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 the system expects a valid domain value, but the input provided does not meet the required criteria.
  Cause:
  
  Invalid Domain Value: The value entered does not correspond to any valid domain defined in the system. This could be due to a typo, incorrect format, or using a value that is not allowed.
  Missing Domain Configuration: The domain may not be properly configured in the system, leading to the inability to recognize valid entries.
  Data Mapping Issues: If the data being migrated does not align with the expected domain values, this error can occur.
  
  Solution:
  
  Check Input Values: Verify the value you are entering for the domain. Ensure that it matches the expected format and is a valid entry according to the domain definition in the system.
  Review Domain Configuration: Check the configuration of the domain in the SAP system. You can do this by navigating to the relevant transaction (e.g., SE11 for Data Dictionary) and reviewing the domain settings.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific migration or conversion process you are performing. This may provide insights into valid domain values.
  Data Mapping: If you are migrating data, ensure that the source data is correctly mapped to the target domain values. You may need to adjust the mapping or transformation rules in your migration tool.
  Testing: If possible, test with a small set of data to isolate the issue and confirm that the changes you make resolve the error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and their solutions.
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE37 (Function Builder), and others that may help you investigate domain definitions and data types.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.