How To Fix CNV_MBT820 - Error while saving the storage parameters for table &.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 820

• Message text: Error while saving the storage parameters for table &.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT820 - Error while saving the storage parameters for table &. ?

  The SAP error message CNV_MBT820 typically occurs during the data migration process, particularly when using the SAP Migration Cockpit or similar tools. This error indicates that there was an issue while saving the storage parameters for a specific table.
  Causes:
  
  Data Type Mismatch: The data being migrated may not match the expected data types defined in the target table.
  Table Locking: The table might be locked by another process, preventing changes from being saved.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to modify the storage parameters of the table.
  Technical Settings: There may be issues with the technical settings of the table, such as incorrect storage parameters or inconsistencies in the database.
  Database Constraints: Constraints or triggers in the database may prevent the changes from being applied.
  
  Solutions:
  
  Check Data Types: Ensure that the data types of the source and target tables match. If there are discrepancies, adjust the data accordingly.
  Release Table Locks: Check if the table is locked by another transaction. If so, wait for the lock to be released or terminate the locking session if appropriate.
  Review Authorizations: Verify that the user has the necessary authorizations to modify the table. You may need to consult with your SAP security team.
  Adjust Technical Settings: Review the technical settings of the table in the Data Dictionary (SE11) and ensure they are correctly configured.
  Check Database Constraints: Look for any constraints or triggers that might be causing the issue. You may need to temporarily disable them during the migration process.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SLG1 (Application Log), and SE14 (Database Utility).
  SAP Notes: Search for SAP Notes related to the error message CNV_MBT820 for any specific patches or updates that may address the issue.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit for best practices and troubleshooting tips.
  
  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.