How To Fix CNV_MBT021 - Error in table entry for phase &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 021

• Message text: Error in table entry for phase &

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_MBT021 - Error in table entry for phase & ?

  The SAP error message CNV_MBT021 typically occurs during a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with a specific table entry during a particular phase of the migration process.
  Cause:
  The error can be caused by several factors, including:
  
  Data Integrity Issues: The data being migrated may have integrity issues, such as missing mandatory fields, incorrect data types, or foreign key violations.
  Configuration Problems: There may be configuration issues in the source or target system that prevent the migration from proceeding smoothly.
  Mapping Errors: Incorrect mapping of fields between the source and target systems can lead to this error.
  Custom Code or Enhancements: If there are custom developments or enhancements in the source system, they may not be compatible with the migration process.
  
  Solution:
  To resolve the CNV_MBT021 error, you can follow these steps:
  
  Check the Logs: Review the detailed logs provided during the migration process. The logs will often give you more context about which specific table entry is causing the issue.
  Data Validation: Validate the data in the source system to ensure that it meets the requirements for migration. Look for missing or incorrect data.
  Review Mapping: Ensure that the mapping of fields between the source and target systems is correct. Adjust the mapping if necessary.
  Configuration Check: Verify the configuration settings in both the source and target systems to ensure they are set up correctly for the migration.
  Custom Code Review: If there are custom developments, review them to ensure they are compatible with the migration process. You may need to adjust or temporarily disable them.
  Consult Documentation: Refer to the SAP documentation related to the migration process you are using. There may be specific notes or guidelines for handling this error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SLG1 (Application Log) to check for detailed logs related to the migration process.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error details and logs for further analysis.
  
  By following these steps, you should be able to identify the root cause of the CNV_MBT021 error and implement a solution to resolve it.