How To Fix NRSCNV352 - Length of char. &1 replacing char. &2 as key field is different

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 352

• Message text: Length of char. &1 replacing char. &2 as key field is different

What causes this issue?

You are trying to replace a key field.

System Response

This is not possible. Make sure that the following requirements are met:
The data type and length of the characteristic replacing the previous
characteristic must match
The only filling method allowed is 1:1 mapping with previous
characteristic

How to fix this error?

If one of these requirements is not met, adjust the operation
accordingly or select another characteristic as a replacement.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV352 - Length of char. &1 replacing char. &2 as key field is different ?

  The SAP error message NRSCNV352 indicates that there is a mismatch in the length of character fields when trying to replace one character field with another in a key field. This typically occurs during data migration or conversion processes, where the system expects certain fields to have consistent lengths but finds discrepancies.
  Cause:
  
  Field Length Mismatch: The primary cause of this error is that the length of the character field being used as a key does not match the length of the character field it is being replaced with. For example, if you are trying to replace a field of length 10 with a field of length 20, this error will occur.
  Data Model Changes: Changes in the data model, such as modifications to the database schema or changes in the structure of the data being processed, can lead to this error.
  Incorrect Mapping: During data migration or conversion, if the mapping of fields is not done correctly, it can lead to length discrepancies.
  
  Solution:
  
  Check Field Definitions: Verify the definitions of the character fields involved. Ensure that the lengths of the fields are consistent across the source and target systems or within the same system if applicable.
  Adjust Data Mapping: If you are using a data migration tool or a custom program, check the mapping configuration to ensure that the correct fields are being used and that their lengths match.
  Modify Data Structure: If necessary, modify the data structure in the target system to accommodate the longer field length, or truncate the source data to match the expected length.
  Data Cleansing: Before migration, perform data cleansing to ensure that all data adheres to the expected formats and lengths.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with, as there may be additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context on handling character field length issues.
  Data Migration Tools: If you are using SAP Data Services or other migration tools, refer to their documentation for best practices on handling field length discrepancies.
  Testing: Always perform thorough testing in a development or quality assurance environment before executing changes in production to ensure that the issue is resolved without introducing new problems.
  
  By addressing the field length mismatch and ensuring proper data mapping, you should be able to resolve the NRSCNV352 error.