Hi all,

I keep seeing this in one of our installations from time to time. It's fairly rare, but so far I have not been able to narrow down what this is all about. Recycling the app pool usually does the trick, but I wanted to see if any of your have seen this as well. 

Server Error in '/' Application.
Object reference not set to an instance of an object.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[NullReferenceException: Object reference not set to an instance of an object.]
   umbraco.BusinessLogic.Utils.TypeFinder.FindClassesOfType(Boolean useSeperateAppDomain) +23
   umbraco.BusinessLogic.Actions.Action.RegisterIActions() +78
   umbraco.BusinessLogic.Actions.Action..cctor() +126

[TypeInitializationException: The type initializer for 'umbraco.BusinessLogic.Actions.Action' threw an exception.]
   umbraco.cms.presentation._umbraco.RenderActionJS() +54
   umbraco.cms.presentation._umbraco.Page_Load(Object sender, EventArgs e) +1058
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   umbraco.BasePages.BasePage.OnLoad(EventArgs e) +12
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

Thanks!
Nik