How To Fix CNV_20100448 - Error while reading table RFDT for reference number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 448

• Message text: Error while reading table RFDT for reference number &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100448 - Error while reading table RFDT for reference number &1 ?

  The SAP error message CNV_20100448, which indicates "Error while reading table RFDT for reference number &1," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there is an issue accessing the RFDT table, which is used for storing reference data.
  Causes:
  
  Missing Data: The reference number specified may not exist in the RFDT table, leading to a failure in reading the required data.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to read from the RFDT table.
  Table Corruption: There could be corruption or inconsistencies in the RFDT table that prevent it from being read correctly.
  Configuration Issues: Incorrect configuration settings in the migration tool or process could lead to this error.
  Data Format Issues: The data format or structure in the RFDT table may not match the expected format, causing read errors.
  
  Solutions:
  
  Check Reference Number: Verify that the reference number provided in the error message exists in the RFDT table. You can do this by executing a simple SELECT query in the database.
  User Authorizations: Ensure that the user has the necessary authorizations to access the RFDT table. You may need to consult with your SAP security team to grant the required permissions.
  Table Integrity Check: Perform a consistency check on the RFDT table to identify and resolve any corruption or inconsistencies. This may involve using transaction codes like SE14 (Database Utility) to check and repair the table.
  Review Migration Configuration: Double-check the configuration settings in the migration tool to ensure they are set up correctly. Look for any misconfigurations that could lead to this error.
  Data Format Validation: Ensure that the data in the RFDT table adheres to the expected format and structure. If there are discrepancies, you may need to clean or transform the data accordingly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search the SAP Support Portal for notes related to CNV_20100448.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SE14 (Database Utility) for further investigation.
  Logs and Traces: Review the logs and traces generated during the migration process for more detailed error messages that could provide additional context for troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.