How To Fix EMMA020 - Job already prepared; check status of job

SAP Error Message - Details

• Message type: E = Error

• Message class: EMMA - Monitoring of Mass Runs

• Message number: 020

• Message text: Job already prepared; check status of job

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 EMMA020 - Job already prepared; check status of job ?

  The SAP error message EMMA020 ("Job already prepared; check status of job") typically occurs in the context of background job processing in SAP. This message indicates that a job you are trying to execute has already been prepared and is in a state that does not allow for re-preparation or re-execution until its current status is resolved.
  Cause:
  
  Job Already Exists: The job you are trying to execute has already been scheduled or prepared in the system.
  Job Status: The job may be in a status such as "Released," "Active," or "Finished," which prevents it from being prepared again.
  Concurrency Issues: There may be multiple attempts to prepare or execute the same job simultaneously, leading to conflicts.
  System Lock: The job might be locked due to a previous execution or an error that occurred during its processing.
  
  Solution:
  
  Check Job Status: Use transaction code SM37 to check the status of the job. Look for the job name and see if it is currently running, finished, or in another state.
  Delete or Cancel Job: If the job is stuck or in an undesirable state, you may need to delete or cancel it. You can do this from the SM37 transaction by selecting the job and choosing the appropriate action.
  Wait for Completion: If the job is currently running, you may need to wait for it to complete before attempting to prepare it again.
  Review Job Logs: Check the job logs for any errors or messages that might indicate why the job is in its current state. This can provide insights into any underlying issues.
  Re-schedule Job: If the job has finished but you need to run it again, you can re-schedule it after confirming that it is no longer in the system.
  Check for Locks: If there are locks on the job, you may need to investigate and resolve any locking issues in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM36 (Job Scheduling), and SM21 (System Log) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to job processing and the EMMA020 error.
  System Performance: Ensure that the system is performing optimally, as performance issues can sometimes lead to job processing errors.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis team or refer to SAP support for further assistance.