How To Fix CNV_10020008 - &1 field &2 does not exist; check your input

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 008

• Message text: &1 field &2 does not exist; check your input

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020008 - &1 field &2 does not exist; check your input ?

  The SAP error message CNV_10020008 typically indicates that there is an issue with a field that is expected to exist in the context of a data conversion or migration process. This error is often encountered during data migration activities, particularly when using SAP's data migration tools or during system upgrades.
  Cause:
  
  
  Field Does Not Exist: The primary cause of this error is that the specified field (denoted as &2 in the error message) does not exist in the target structure or table. This could be due to:
  
  The field being removed or renamed in the target system.
  The field not being included in the data model of the target system.
  A mismatch between the source and target data structures.
  
  
  
  Incorrect Mapping: If you are using a mapping file or tool, the mapping may be incorrect, leading to references to non-existent fields.
  
  
  Configuration Issues: There may be configuration issues in the migration tool or the settings that define how data is being migrated.
  
  
  Solution:
  
  
  Check Field Existence: Verify that the field specified in the error message actually exists in the target system. You can do this by checking the relevant data dictionary (SE11) or table structure.
  
  
  Review Mapping: If you are using a mapping tool, review the mapping configuration to ensure that all fields are correctly mapped and that there are no references to fields that do not exist in the target structure.
  
  
  Update Migration Logic: If the field has been removed or renamed, update your migration logic to reflect the current structure of the target system. This may involve modifying the data extraction or transformation logic.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Testing: After making changes, perform a test migration with a small dataset to ensure that the issue is resolved before proceeding with a full migration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help in analyzing the data structures.
  SAP Notes: Check for any SAP Notes related to the specific migration tool or version you are using, as they may provide additional insights or fixes for known issues.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional assistance, as other users may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.