How To Fix C_301 - Background job for object &1 is already scheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: C_ - CRM Integration Messages

• Message number: 301

• Message text: Background job for object &1 is already scheduled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message C_301 - Background job for object &1 is already scheduled ?

  The SAP error message C_301 indicates that a background job for a specific object (denoted by &1) is already scheduled in the system. This typically occurs when a user attempts to schedule a job that is already in the queue or has been scheduled previously.
  Cause:
  
  Duplicate Job Scheduling: The most common cause is that the same job has been scheduled multiple times, either by the same user or by different users.
  Job Overlap: If a job is already running or scheduled to run at the same time, attempting to schedule it again will trigger this error.
  System Configuration: Certain configurations or settings in the job scheduling parameters may prevent multiple instances of the same job from being scheduled.
  
  Solution:
  
  
  Check Scheduled Jobs: 
  
  Go to transaction code SM37 (Job Monitoring) to check the list of scheduled jobs. Look for the job with the same name or object.
  If you find the job, you can either wait for it to complete or delete it if it is no longer needed.
  
  
  
  Modify Job Scheduling:
  
  If you need to run the job again, consider changing the job name or scheduling it for a different time to avoid conflicts.
  
  
  
  Review Job Definitions:
  
  Ensure that the job definitions do not have overlapping schedules. Adjust the timing or frequency as necessary.
  
  
  
  Check for Job Variants:
  
  If the job is using a variant, ensure that the variant is not causing the duplication. You may need to create a new variant or modify the existing one.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to job scheduling for any specific configurations or limitations that may apply to your system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Job Monitoring
  SM36: Define Background Job
  SM21: System Log (to check for any related system messages)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to job scheduling that may address this error.
  
  
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to schedule and manage background jobs.
  
  
  By following these steps, you should be able to resolve the C_301 error and successfully manage your background jobs in SAP.