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

APPLG407 - Overview

• 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