How To Fix CNV_20700066 - In Index MDTC AR read: &1 and changed: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 066

• Message text: In Index MDTC AR read: &1 and changed: &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20700066 - In Index MDTC AR read: &1 and changed: &2 ?

  The SAP error message CNV_20700066 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a discrepancy between the data being read from the source system and the data that has been changed or updated in the target system.
  Cause:
  The error message CNV_20700066 can be caused by several factors, including:
  
  Data Consistency Issues: The data in the source system may not match the expected format or structure in the target system.
  Concurrency Issues: If multiple processes are trying to read or write to the same data simultaneously, it can lead to inconsistencies.
  Data Locking: The data being accessed may be locked by another process, preventing the migration tool from reading or updating it.
  Configuration Issues: Incorrect configuration settings in the migration tool or the target system can lead to this error.
  
  Solution:
  To resolve the CNV_20700066 error, you can take the following steps:
  
  Check Data Consistency: Ensure that the data in the source system is consistent and adheres to the expected format for the target system. Validate the data for any discrepancies.
  Review Migration Logs: Look at the detailed logs generated during the migration process to identify specific records or tables that are causing the issue.
  Retry the Migration: Sometimes, simply retrying the migration process can resolve transient issues related to data locking or concurrency.
  Adjust Configuration: Review the configuration settings of the migration tool to ensure they are correctly set up for the data being migrated.
  Data Locking: If data locking is suspected, check for any active processes that may be locking the data and resolve those issues before retrying the migration.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates related to this error message. There may be specific patches or updates that address known issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for detailed guidelines and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and information about the error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_20700066 error during your data migration process.