How To Fix DMC_TRANSPORT122 - Error during UPDATE for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_TRANSPORT - DMC: Nachrichten Transportanschluss

• Message number: 122

• Message text: Error during UPDATE for table &1

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 DMC_TRANSPORT122 - Error during UPDATE for table &1 ?

  The SAP error message DMC_TRANSPORT122 indicates that there was an error during the update process for a specific table in the Data Migration Cockpit (DMC). This error typically occurs when there are issues with the data being processed or with the configuration of the migration process.
  Causes:
  
  Data Integrity Issues: The data being migrated may not meet the integrity constraints of the target table. This could include issues like missing mandatory fields, data type mismatches, or foreign key violations.
  Configuration Errors: There may be misconfigurations in the DMC settings or the mapping of fields between the source and target systems.
  Locking Issues: The target table might be locked by another process, preventing the update from being executed.
  Technical Issues: There could be underlying technical issues such as database connectivity problems or issues with the SAP system itself.
  
  Solutions:
  
  Check Data Quality: Review the data being migrated to ensure it meets all the requirements of the target table. Validate that all mandatory fields are populated and that data types match.
  Review Mapping Configuration: Ensure that the field mappings in the DMC are correctly configured. Check for any discrepancies between the source and target structures.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the target table. If locks are found, you may need to wait for the locking process to complete or resolve the locking issue.
  Review Logs: Check the DMC logs for more detailed error messages that can provide insights into what went wrong during the update process. This can help pinpoint the exact cause of the error.
  Test in a Development Environment: If possible, replicate the migration process in a development or test environment to identify and resolve issues without affecting production data.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DMC, SM37 (for job monitoring), and SLG1 (for application logs).
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for best practices and troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.