How To Fix CNV_PE_CHECK_V2020 - Trans. opt. &1, step &2: no field mapping exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK_V2 - Check Messages (Version 2020)

• Message number: 020

• Message text: Trans. opt. &1, step &2: no field mapping exists

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK_V2020 - Trans. opt. &1, step &2: no field mapping exists ?

  The SAP error message CNV_PE_CHECK_V2020 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 no field mapping defined for a specific transaction option and step in the migration process.
  Cause:
  
  Missing Field Mapping: The primary cause of this error is that the system cannot find a mapping for the fields that are supposed to be converted or migrated. This can happen if the mapping configuration is incomplete or if the required mapping entries have not been defined in the migration project.
  Incorrect Configuration: If the migration project is not set up correctly, or if the source and target structures do not align properly, this error may occur.
  Version Mismatch: Sometimes, using an outdated version of the migration tool or not aligning with the correct version of the source system can lead to this issue.
  
  Solution:
  
  
  Check Field Mapping: 
  
  Go to the migration project in the SAP S/4HANA Migration Cockpit.
  Verify that all necessary field mappings are defined for the transaction option and step indicated in the error message.
  If mappings are missing, you will need to create them according to the source and target data structures.
  
  
  
  Review Migration Settings:
  
  Ensure that the migration settings are correctly configured. This includes checking the source system settings, target system settings, and any transformation rules that may apply.
  Make sure that the data model used for the migration is appropriate for the data being migrated.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. This documentation often provides guidance on how to set up field mappings and troubleshoot common issues.
  
  
  
  Use Migration Templates:
  
  If available, use predefined migration templates that come with the migration tool. These templates often have the necessary mappings already defined.
  
  
  
  Testing:
  
  After making changes, perform a test migration to ensure that the mappings are now recognized and that the error does not occur.
  
  
  
  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 migration scenario.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) and LTMOM (for Migration Object Modeler) to manage your migration projects effectively.
  SAP Notes: Check for any SAP Notes related to the migration tool you are using, as they may contain fixes or additional guidance for known issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to resolve the CNV_PE_CHECK_V2020 error and successfully complete your data migration process.