How To Fix RSJOB030 - A job with the same concurrency key &1 is already running

RSJOB030 - Overview

• Message type: E = Error

• Message class: RSJOB - Job scheduler related messages

• Message number: 030

• Message text: A job with the same concurrency key &1 is already running

Self-Explanatory Message

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RSJOB030 - Details

• The SAP error message RSJOB030 indicates that a job with the same concurrency key is already running. This typically occurs when you attempt to start a background job that has been configured to use a specific concurrency key, and another job with that same key is currently executing. 
  
  Cause:
  
  Concurrency Key: Each background job can be assigned a concurrency key, which is used to control the execution of jobs that should not run simultaneously. If a job with the same key is already in progress, the system will prevent the new job from starting to avoid conflicts or resource contention.
  Job Overlap: The job may have been scheduled to run at overlapping times, or it may not have completed due to long processing times or errors.
  
  Configuration Issues: There may be misconfigurations in the job scheduling or the way concurrency keys are assigned.
  
  
  Solution:
  
  Check Running Jobs: Use transaction code SM37 to check the status