In our API when we are writing the logs we are adding ActivityId. It is created in Application_BegingRequest but for few call it didn't write any ActivityId and it seems it did not fire Application_BeginRequest method in Global.asax.
Please find the details below :
 
Code in Global.asax:
 
protected void Application_BeginRequest(object sender, EventArgs e)
{
Trace.CorrelationManager.ActivityId = Guid.NewGuid();
}
configuration for logs:
 
Sceenshot of logs:
 
 
 can some please help me on this issue.