How To Fix CNV_MBT350 - Activity &1 is already scheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 350

• Message text: Activity &1 is already scheduled

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_MBT350 - Activity &1 is already scheduled ?

  The SAP error message CNV_MBT350 with the description "Activity &1 is already scheduled" typically occurs during the execution of a migration or data transfer process in SAP, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the activity you are trying to schedule is already in the process of being executed or has been scheduled for execution.
  Cause:
  
  Duplicate Scheduling: The most common cause is that the same activity has already been scheduled for execution, either by the same user or another user.
  System Lock: The system may have a lock on the activity due to ongoing processes or transactions that are not yet completed.
  Concurrency Issues: If multiple users or processes are trying to schedule the same activity simultaneously, it can lead to this error.
  
  Solution:
  
  Check Scheduled Activities: Review the list of scheduled activities in the migration cockpit or relevant transaction to see if the activity is already in progress. You can do this by navigating to the relevant transaction or using the appropriate monitoring tools.
  Wait for Completion: If the activity is already scheduled, you may need to wait for it to complete before attempting to schedule it again.
  Cancel or Delete Existing Schedule: If you determine that the existing scheduled activity is no longer needed or is stuck, you may need to cancel or delete it. Ensure that you have the necessary permissions to do this.
  Consult Logs: Check the logs for any additional error messages or warnings that might provide more context about why the activity is already scheduled.
  User Coordination: If multiple users are involved, coordinate with them to ensure that the same activity is not being scheduled by different users at the same time.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to monitor or manage scheduled activities, such as SM37 (Job Monitoring) or SLG1 (Application Log).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for the migration tool you are using, as it may contain specific guidelines on handling scheduling issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or technical support team for further assistance.