How To Fix CNV_10020687 - &1 &2: Length of passed parameter &4 and rule parameter &3 do not match

CNV_10020687 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 687

• Message text: &1 &2: Length of passed parameter &4 and rule parameter &3 do not match

What causes this issue?

The rule assigned to the mentioned non-transparent field component has
rule parameters. For the rule parameter &V3& the passed parameter &V4&
has been assigned. The length of the objects is mentioned in brackets
and does not match.

How to fix this error?

Go to activity <ZK>Edit Settings for Non-transparent Fields</>. For the
problematic entry specify a suitable passed parameter for the rule
parameter &V3&.

Error message extract from SAP system. Copyright SAP SE.

CNV_10020687 - Details

• The SAP error message CNV_10020687 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 a mismatch between the length of a parameter being passed and the expected length defined in the rules or structures.
  
  Cause:
  The error message CNV_10020687 is triggered when:
  
  The length of a parameter (e.g., a field in a data record) being processed does not match the expected length defined in the migration rules or data structure.
  This can happen due to:
  Incorrect data formatting or data type mismatches.
  Changes in the data model or structure that have not been reflected in the migration rules.
  Manual data entry errors or inconsistencies in the source data.
  
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Source:
  
  Review the source data to ensure that the lengths of the fields match the expected lengths defined in the target structure.
  Look for any