How To Fix CNV_10020044 - Elem. rel. &1: Length of det. obj. &2 is less than fixed value object &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 044

• Message text: Elem. rel. &1: Length of det. obj. &2 is less than fixed value object &3

What causes this issue?

During the definition of the elementary relationship &V1&, determination
object &V2& was assigned fixed value object &V3& (the number in brackets
is the length/ number of characters).
The length of the determination object is less than the length of the
specified fixed value. This is not possible.

How to fix this error?

It is possible that there is a typing error in the fixed value or that
an incorrect fixed value object was assigned. Check the assignment and
the definition of the fixed value object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020044 - Elem. rel. &1: Length of det. obj. &2 is less than fixed value object &3 ?

  The SAP error message CNV_10020044 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 a mismatch in the length of a field in the source data compared to the expected length defined in the target structure.
  Cause:
  The error message can be broken down as follows:
  
  Elem. rel. &1: This refers to the element or field in the data structure that is causing the issue.
  Length of det. obj. &2: This indicates the actual length of the data object in the source data.
  Fixed value object &3: This refers to the expected length defined in the target structure.
  
  The error occurs when the length of the data being migrated (det. obj.) is shorter than the required length defined in the target structure (fixed value object). This can happen due to:
  
  Incorrect data mapping or transformation rules.
  Source data not conforming to the expected format or length.
  Changes in data structure definitions between the source and target systems.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Mapping: Review the mapping of the fields between the source and target systems. Ensure that the lengths of the fields are correctly defined and that the source data conforms to the expected lengths.
  
  
  Adjust Source Data: If possible, modify the source data to ensure that the lengths of the fields match the expected lengths in the target structure. This may involve padding the data with spaces or zeros, or truncating data that exceeds the maximum length.
  
  
  Modify Target Structure: If the source data cannot be changed, consider adjusting the target structure to accommodate the actual lengths of the source data. This may involve changing the data type or length of the target fields.
  
  
  Review Transformation Logic: If you are using transformation logic (e.g., ABAP programs, transformation rules in the Migration Cockpit), ensure that the logic correctly handles the lengths of the fields.
  
  
  Test Migration: After making the necessary adjustments, perform a test migration to verify that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  Documentation: Review the documentation for the specific data migration tool you are using, as it may provide insights into common issues and best practices.
  Community Forums: Consider searching or posting in SAP community forums for additional support from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.