How To Fix APPLG407 - MUX: Key for synchronization job is incomplete; check call method

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 407

• Message text: MUX: Key for synchronization job is incomplete; check call method

What causes this issue?

The key of the specified synchronization job is incomplete: The
master graphics proxy is missing.

How to fix this error?

Check the call method of the method in which the error occurred.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG407 - MUX: Key for synchronization job is incomplete; check call method ?

  The SAP error message APPLG407 indicates that there is an issue with a synchronization job, specifically that the key for the synchronization job is incomplete. This error typically arises in the context of SAP applications that involve data synchronization processes, such as those related to SAP Landscape Management (LaMa) or other data replication scenarios.
  Cause:
  
  Incomplete Key Information: The synchronization job requires a complete key to identify the specific data or object it is supposed to synchronize. If any part of this key is missing or incorrectly formatted, the system cannot proceed with the synchronization.
  Configuration Issues: There may be misconfigurations in the synchronization settings or parameters that lead to an incomplete key being generated.
  Data Integrity Issues: If the underlying data or objects that the synchronization job is trying to access are incomplete or corrupted, it may result in an incomplete key.
  System Bugs: Occasionally, bugs in the SAP system or the specific version you are using may lead to this error.
  
  Solution:
  
  Check the Job Configuration: Review the configuration of the synchronization job to ensure that all required parameters and keys are correctly set. Make sure that the key fields are populated with valid data.
  Review Call Method: The error message suggests checking the call method. Ensure that the method being used to initiate the synchronization job is correct and that it is being called with the appropriate parameters.
  Data Validation: Validate the data or objects involved in the synchronization process to ensure they are complete and not corrupted. This may involve checking database entries or application logs.
  Consult Documentation: Refer to the SAP documentation for the specific application or module you are working with to understand the expected key structure and any prerequisites for the synchronization job.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. If the issue persists, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  SAP Documentation: Look for official SAP documentation related to the specific module or application you are using, as it may provide insights into the synchronization process and key requirements.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide solutions or workarounds.
  System Logs: Check system logs (transaction codes like SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the root cause of the APPLG407 error and implement a solution to resolve it.