logging - ServiceStack EventLog Always prints "An error occurred in the application:" -

Always when I use an event, the first string of my content is the printed string "There was an error in the application:"

Why? What should I change?

For example this code:

  var logger = LogManager.GetLogger (GetType ()); Logger.Info ("uphost up and running");   
 ends in:  
    
 
 
 The error message is created in ServiceStack's  
 You can use your own copy and how to configure it, or you can submit a pull-request to configure an error message in Event Logger.