How To Fix DMCLG853 - The specified job net &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 853

• Message text: The specified job net &1 already exists

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 DMCLG853 - The specified job net &1 already exists ?

  The SAP error message DMCLG853 indicates that there is an attempt to create a job net (a collection of jobs that are scheduled to run in a specific order) that already exists in the system. This typically occurs in the context of job scheduling within SAP, particularly when using the SAP Job Scheduling Management (JSM) or similar tools.
  Cause:
  
  
  Duplicate Job Net Creation: The most common cause of this error is that a job net with the specified name already exists in the system. This can happen if:
  
  The job net was created previously and not deleted.
  There is a naming conflict due to similar job net names.
  A script or automated process is attempting to create the job net without checking for its existence first.
  
  
  
  System or User Error: Sometimes, this can be due to user error, such as mistakenly trying to create a job net with the same name as an existing one.
  
  
  Solution:
  
  
  Check Existing Job Nets: Before creating a new job net, check the existing job nets in the system to see if the one you are trying to create already exists. You can do this by:
  
  Navigating to the job scheduling interface in SAP.
  Searching for the job net by its name.
  
  
  
  Rename the Job Net: If the job net already exists and you need to create a new one, consider using a different name for the new job net to avoid conflicts.
  
  
  Delete or Modify Existing Job Net: If the existing job net is no longer needed, you can delete it. Ensure that you have the necessary permissions to do so and that it will not affect any scheduled jobs. Alternatively, you can modify the existing job net if changes are required.
  
  
  Error Handling in Scripts: If you are using scripts or automated processes to create job nets, implement error handling to check for the existence of a job net before attempting to create it. This can prevent the error from occurring in the first place.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for job scheduling and management for more detailed information on how to manage job nets.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring) and SM36 (Define Job) to manage job scheduling effectively.
  User Permissions: Ensure that you have the appropriate permissions to create, modify, or delete job nets in the SAP system.
  
  By following these steps, you should be able to resolve the DMCLG853 error and manage your job nets effectively.