How To Fix CNV10310018 - The READONLY indicator was set for the following CNVFIELDS entries:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV10310 - Message class for development class CNV_10310

• Message number: 018

• Message text: The READONLY indicator was set for the following CNVFIELDS entries:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10310018 - The READONLY indicator was set for the following CNVFIELDS entries: ?

  The SAP error message CNV10310018 indicates that the READONLY indicator has been set for certain entries in the CNVFIELDS table. This typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error arises when the system attempts to modify or access fields that are marked as read-only. This can happen due to several reasons:
  
  Configuration Issues: The CNVFIELDS entries may have been incorrectly configured, leading to fields being marked as read-only when they should be editable.
  Data Migration Settings: The settings in the data migration tool may not align with the requirements of the target system, causing certain fields to be locked.
  Authorization Issues: The user executing the migration may not have the necessary permissions to modify the fields in question.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check CNVFIELDS Configuration:
  
  Review the entries in the CNVFIELDS table to ensure that the fields that need to be modified are not incorrectly set as read-only.
  If necessary, update the configuration to allow for editing.
  
  
  
  Review Migration Settings:
  
  Ensure that the data migration settings are correctly configured to allow for the modification of the relevant fields.
  Check the mapping and transformation rules to ensure they are set up correctly.
  
  
  
  User Authorizations:
  
  Verify that the user executing the migration has the appropriate authorizations to modify the fields in question.
  If needed, adjust the user roles and permissions to grant the necessary access.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide insights specific to your system configuration or the version of the migration tool you are using.
  
  
  
  Related Information:
  
  CNV_FIELDS Table: This table is part of the SAP data migration framework and contains field mappings and configurations for data conversion.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using, such as the SAP S/4HANA Migration Cockpit or SAP Data Services, as they may have specific settings or configurations that need to be addressed.
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide additional context on handling read-only fields during data migration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.