How To Fix APPLG405 - MUX: Specified synchronization job does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 405

• Message text: MUX: Specified synchronization job does not exist

How to fix this error?

Check the call method of the multiplexer.
Check whether the synchronization job is created in the
multiplexer.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG405 - MUX: Specified synchronization job does not exist ?

  The SAP error message APPLG405 with the description "MUX: Specified synchronization job does not exist" typically occurs in the context of SAP Landscape Management (LaMa) or when dealing with system synchronization jobs in SAP environments. This error indicates that the system is trying to reference a synchronization job that cannot be found in the system.
  Causes:
  
  Job Deletion: The synchronization job may have been deleted or not created properly.
  Incorrect Job Name: The job name specified in the configuration or command may be incorrect or misspelled.
  System Configuration Issues: There may be issues with the configuration of the SAP system landscape or the job scheduling system.
  Authorization Issues: The user executing the command may not have the necessary authorizations to view or execute the synchronization job.
  
  Solutions:
  
  
  Verify Job Existence:
  
  Check the job management area in SAP (transaction code SM37) to see if the synchronization job exists.
  If it does not exist, you may need to create it again.
  
  
  
  Check Job Name:
  
  Ensure that the job name specified in your command or configuration is correct. Look for any typos or discrepancies.
  
  
  
  Recreate the Job:
  
  If the job has been deleted, you may need to recreate it. This can often be done through the SAP GUI or through the relevant configuration settings in SAP Landscape Management.
  
  
  
  Review System Configuration:
  
  Check the configuration settings for the SAP system landscape to ensure that everything is set up correctly. This includes checking the synchronization settings and ensuring that all systems are properly connected.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the job has the necessary authorizations to access and manage synchronization jobs. You may need to consult with your SAP security team to verify this.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (Job Monitoring) and SLG1 (Application Log) to help diagnose issues.
  SAP Documentation: Review the official SAP documentation for Landscape Management and job scheduling for more detailed guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.