How To Fix CNV_20700038 - You are carrying out Lexicographic and mapping table scenario

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 038

• Message text: You are carrying out Lexicographic and mapping table scenario

What causes this issue?

You have selected <ZK>Lexicographic and Mapping Table Scenario. </>

System Response

In this scenario conversion will be based on Mapping maintained. If no
mapping is maintained then leading zeros would be removed from old
material numbers.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20700038 - You are carrying out Lexicographic and mapping table scenario ?

  The SAP error message CNV_20700038 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error is related to the lexicographic and mapping table scenarios, which are part of the data transformation and mapping processes.
  Cause:
  The error message CNV_20700038 indicates that there is an issue with the mapping of data between the source and target systems. This can happen due to several reasons, including:
  
  Missing Mapping Entries: The mapping table may not have the necessary entries for the data being processed.
  Data Type Mismatch: There may be a mismatch in data types between the source and target fields.
  Invalid Data: The data being processed may contain invalid or unexpected values that do not conform to the mapping rules.
  Configuration Issues: There may be issues with the configuration of the migration or conversion tool, leading to incorrect processing of the data.
  
  Solution:
  To resolve the CNV_20700038 error, you can take the following steps:
  
  
  Check Mapping Tables: Verify that the mapping tables are correctly populated with the necessary entries. Ensure that all required mappings are present for the data being processed.
  
  
  Review Data Types: Ensure that the data types in the source and target systems match. If there are discrepancies, you may need to adjust the mapping or transform the data accordingly.
  
  
  Validate Data: Check the data being processed for any invalid or unexpected values. Cleanse the data if necessary to ensure it meets the expected format and values.
  
  
  Configuration Review: Review the configuration settings of the migration or conversion tool to ensure that they are set up correctly. This includes checking any parameters or options that may affect the mapping process.
  
  
  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 for this error.
  
  
  Logs and Traces: Check the logs and traces generated during the migration process for more detailed information about the error. This can provide insights into what specifically caused the issue.
  
  
  SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They may have additional insights or patches available to address the issue.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Check SAP Community forums or other online resources where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20700038 error during your data migration or conversion process.