How To Fix CNV_20700033 - Conversion is based on the mapping table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 033

• Message text: Conversion is based on the mapping table

What causes this issue?

Unlike with a standard material number conversion, the conversion will
be done exclusively based on the rules for 1:1 rename mapping maintained
in the activity <ZK>Specify Mapping Values</>, not on number ranges.

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?

You need to ensure that the mapping is maintained correctly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20700033 - Conversion is based on the mapping table ?

  The SAP error message CNV_20700033 indicates that a conversion process is relying on a mapping table, which is typically used during data migration or conversion activities. This error can occur in various scenarios, particularly when using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error message usually arises due to one of the following reasons:
  
  Missing Mapping Entries: The mapping table that is supposed to provide the necessary conversion logic may not have the required entries for the data being processed.
  Incorrect Mapping Configuration: The mapping table may be incorrectly configured, leading to mismatches between source and target data.
  Data Integrity Issues: There may be issues with the source data that prevent it from being correctly mapped to the target structure.
  Technical Issues: There could be technical issues with the conversion program or the underlying database.
  
  Solution:
  To resolve the error CNV_20700033, you can take the following steps:
  
  
  Check Mapping Table:
  
  Verify that the mapping table exists and contains the necessary entries for the data you are trying to convert.
  Ensure that the mapping is correctly defined and that all required fields are populated.
  
  
  
  Review Configuration:
  
  Review the configuration settings for the mapping process to ensure they are set up correctly.
  Make sure that the source and target structures are correctly defined in the mapping.
  
  
  
  Data Validation:
  
  Validate the source data to ensure it meets the requirements for conversion. Look for any anomalies or inconsistencies that could cause mapping failures.
  Cleanse the data if necessary to ensure it aligns with the expected formats.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration or conversion tool you are using. There may be specific guidelines or troubleshooting steps provided.
  
  
  
  Check Logs:
  
  Review any logs generated during the conversion process for additional error messages or warnings that could provide more context about the issue.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on mapping issues.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features and best practices for data migration.
  Data Migration Best Practices: Review best practices for data migration in SAP, including data cleansing, validation, and testing strategies.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.