How To Fix CNV20200458 - &1: in CNVFIELDSCU added with ReadOnly indicator set

CNV20200458 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 458

• Message text: &1: in CNVFIELDSCU added with ReadOnly indicator set

Self-Explanatory Message

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CNV20200458 - Details

• The SAP error message CNV20200458 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The error indicates that a field in the CNVFIELDSCU table has been marked as ReadOnly, which means that it cannot be modified or updated during the conversion process.
  
  Cause:
  
  ReadOnly Indicator: The field in question has been set with a ReadOnly indicator in the CNVFIELDSCU table. This usually means that the field is not intended to be changed during the migration process, possibly due to data integrity or business logic constraints.
  
  Configuration Issues: There may be a misconfiguration in the migration settings or mapping that is attempting to write to a field that should not be modified.
  Data Model Changes: Changes in the data model between the source and target systems may lead to fields being marked as ReadOnly in the target system.
  
  
  Solution:
  
  Review the Mapping: Check the