How To Fix CNV038 - Read-only flag deleted and conversion routine entered for field &1-&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 038

• Message text: Read-only flag deleted and conversion routine entered for field &1-&2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV038 - Read-only flag deleted and conversion routine entered for field &1-&2 ?

  The SAP error message CNV038 indicates that a read-only flag has been deleted and a conversion routine has been entered for a specific field. This typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of a conversion program.
  Cause:
  
  Read-Only Flag Deletion: The error suggests that a field that was previously marked as read-only has had that flag removed. This can happen if the configuration or data model has been altered, leading to inconsistencies in how the data is expected to be processed.
  Conversion Routine Entry: The presence of a conversion routine for the field indicates that there is an expectation for data transformation or conversion, which may not align with the current state of the field (especially if it is now editable).
  
  Solution:
  
  Check Field Configuration: Review the configuration of the field in question. Ensure that the read-only flag is set correctly according to the requirements of your data migration or conversion process.
  Review Conversion Routines: Verify the conversion routines that have been defined for the field. Ensure that they are appropriate for the current state of the field and that they are compatible with the data being processed.
  Adjust Data Migration Settings: If you are using a data migration tool, check the settings and mappings to ensure that they align with the current data model and that there are no discrepancies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or known issues that can provide further insight.
  Testing: After making adjustments, conduct thorough testing to ensure that the changes resolve the error and that data is being processed correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling read-only fields and conversion routines.
  Data Migration Tools: Familiarize yourself with the specific data migration tools being used (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) and their documentation for best practices.
  Field Attributes: Understand the attributes of the fields involved, including data types, lengths, and any constraints that may affect data processing.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration and conversion processes.