How To Fix MQ146 - Job & is already scheduled or is currently running

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 146

• Message text: Job & is already scheduled or is currently running

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 MQ146 - Job & is already scheduled or is currently running ?

  The SAP error message MQ146 indicates that a job is either already scheduled or currently running in the system. This message typically arises when there is an attempt to schedule a job that conflicts with an existing job, either because it is already in the queue or actively executing.
  Causes:
  
  Job Already Scheduled: The job you are trying to schedule is already in the job queue.
  Job Currently Running: The job is currently executing, and you cannot schedule another instance of it until the current one finishes.
  Job Variants: If you are trying to schedule a job with a specific variant that is already in use, this can also trigger the error.
  Job Overlap: If the job is set to run at specific intervals and you attempt to schedule it again before the previous instance has completed.
  
  Solutions:
  
  
  Check Job Status:
  
  Go to transaction code SM37 (Job Monitoring) to check the status of the job. Look for the job name and see if it is currently running or scheduled.
  If it is running, you may need to wait for it to complete.
  
  
  
  Delete or Cancel Job:
  
  If the job is stuck or you need to reschedule it, you can cancel or delete the job from the job monitoring screen (SM37).
  Be cautious when canceling jobs, as this may affect processes that depend on the job's completion.
  
  
  
  Modify Scheduling:
  
  If the job is scheduled to run at overlapping times, consider adjusting the scheduling parameters to avoid conflicts.
  You can change the frequency or the start time of the job to ensure it does not overlap with other jobs.
  
  
  
  Check for Variants:
  
  If you are using job variants, ensure that the variant you are trying to use is not already in use by another job.
  
  
  
  Review Job Dependencies:
  
  If the job has dependencies on other jobs, ensure that those jobs have completed successfully before scheduling the new job.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Job Monitoring
  SM36: Define Background Job
  SM21: System Log (to check for any related system errors)
  
  
  
  Job Management Best Practices:
  
  Regularly monitor job schedules to avoid overlaps.
  Use descriptive job names and documentation to keep track of job purposes and schedules.
  Implement alerts or notifications for job failures or long-running jobs.
  
  
  
  By following these steps, you should be able to resolve the MQ146 error and effectively manage your scheduled jobs in SAP.