How To Fix PU039 - Event to start &3 in client &4 could not be triggered

PU039 - Overview

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 039

• Message text: Event to start &3 in client &4 could not be triggered

What causes this issue?

A system error occurred when SAP event &V1& (parameter &V2&) was
triggered to start the background job &V3& in client &V4&.

System Response

The background job &V3& could not be started.

How to fix this error?

Try to find further information relevant to the time at which the error
occurred by looking at the system log (<LS>Tools -> Administration ->
Monitor -> System log</>).
If the lock administration diagnosis reports errors (<LS>Tools ->
Administration -> Monitor -> Lock entries -> Extras -> Diagnosis</>),
these may have caused the error.
If you can access the SAPNet - R/3 Front End, search for the keyword
'PU039'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PU039 - Event to start &3 in client &4 could not be triggered ?

  The SAP error message PU039 indicates that an event that is supposed to trigger a specific process in the system could not be initiated. This error typically occurs in the context of the SAP Human Capital Management (HCM) module, particularly when dealing with personnel actions or events related to employee management.
  
  Cause:
  The error message PU039 can be caused by several factors, including:
  
  
  Incorrect Configuration: The event that is supposed to be triggered may not be properly configured in the system. This could be due to missing or incorrect settings in the event management configuration.
  
  
  Missing Authorization: The user attempting to trigger the event may not have the necessary authorizations to perform the action.
  
  
  Client-Specific Issues: The error may occur in a specific client (client &4 in the error message) due to client-specific settings or data inconsistencies.
  
  
  Technical Issues: There may be underlying technical issues, such as problems with the database or application server, that prevent