I run my website. IIS throw exception
Log Name: Application
Source: ASP.NET 4.0.30319.0
Date: 9/11/2014 8:20:10 PM
Event ID: 1325
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: servername
Description:
An unhandled exception occurred and the process was terminated.
Application ID: /LM/W3SVC/16/ROOT
Process ID: 3952
Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
StackTrace: at System.Runtime.CompilerServices.AsyncServices.<ThrowAsync>b__1(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="ASP.NET 4.0.30319.0" />
<EventID Qualifiers="49152">1325</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-09-12T03:20:10.000000000Z" />
<EventRecordID>849687</EventRecordID>
<Channel>Application</Channel>
<Computer>servername</Computer>
<Security />
</System>
<EventData>
<Data>An unhandled exception occurred and the process was terminated.
Application ID: /LM/W3SVC/16/ROOT
Process ID: 3952
Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
StackTrace: at System.Runtime.CompilerServices.AsyncServices.<ThrowAsync>b__1(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()</Data>
</EventData>
</Event>
Please help me, Thanks ALL