How To Fix CNV_10020171 - &1: Field &3 of conc./frag. obj. &2 does not exist in table &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 171

• Message text: &1: Field &3 of conc./frag. obj. &2 does not exist in table &4

What causes this issue?

<DS>EN.CNV_10020_COFROBJ>Concatenated or fragmented object</> &V2&
contains field &V3&, whiches does not exist in the assigned table &V4&.

How to fix this error?

If necessary, define a new concatenated or fragmented object whose
field names exist in table &V4&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020171 - &1: Field &3 of conc./frag. obj. &2 does not exist in table &4 ?

  The SAP error message CNV_10020171 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 a specific field in a consolidated or fragmented object does not exist in the specified table. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Field Mismatch: The field specified in the error message does not exist in the target table. This could be due to:
  
  Changes in the data model between the source and target systems.
  Incorrect mapping of fields during the migration process.
  The field may have been removed or renamed in the target system.
  
  
  
  Configuration Issues: The migration configuration may not be set up correctly, leading to references to non-existent fields.
  
  
  Data Model Changes: If you are migrating from an older version of SAP to a newer version (like S/4HANA), there may be significant changes in the data model that result in certain fields being deprecated or altered.
  
  
  Solution:
  
  
  Check Field Existence: Verify that the field mentioned in the error message actually exists in the target table. You can do this by:
  
  Using transaction SE11 (Data Dictionary) to check the structure of the target table.
  Ensuring that the field is correctly defined in the target system.
  
  
  
  Review Migration Mapping: Check the mapping configuration in the migration tool to ensure that all fields are correctly mapped from the source to the target. Make adjustments as necessary.
  
  
  Update Migration Objects: If the field has been removed or renamed in the target system, you may need to update your migration objects to reflect these changes. This may involve:
  
  Modifying the migration structure.
  Removing references to obsolete fields.
  
  
  
  Consult Documentation: Review the SAP documentation related to the specific migration scenario you are working on. SAP often provides guidelines and best practices for handling such errors.
  
  
  Testing: After making changes, perform a test migration to ensure that the error is resolved and that data is being migrated correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools and templates for data migration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.