Nav 2009 Crash

Hi.

We have Dynamics Nav 2009 Tailored and suddenly crash.

In my windows 2008 server report this event

User:
Type: System.OutOfMemoryException
Message: Se produjo una excepción de tipo 'System.OutOfMemoryException'.
StackTrace:
en System.Threading.Thread.StartInternal(IPrincipal principal, StackCrawlMark& stackMark)
en System.Threading.Thread.Start()
en Microsoft.Dynamics.Nav.Watson.MiniDump.MiniDumpWriter.Write(Boolean includeExceptionInformation, String path)
en Microsoft.Dynamics.Nav.Watson.WatsonReporting.SendReport(ManifestModeReport details, String collectData)
en Microsoft.Dynamics.Nav.Service.Server.LogException(Exception e)
en Microsoft.Dynamics.Nav.Service.NSService.TerminateSession(Connection connection, Exception exception, Boolean responseRequest)
en Microsoft.Dynamics.Nav.Service.NSService.ExecuteOperation[T](String operationName, ServiceOperation`1 operation, Connection connection, WindowsIdentity impersonationIdentity)
en Microsoft.Dynamics.Nav.Service.NSService.ExecuteOperation[T](String operationName, ServiceOperation`1 operation)
en Microsoft.Dynamics.Nav.Service.NSService.GetPage(PageRequestDefinition pageRequestDefinition, NavRecordState state)
en SyncInvokeGetPage(Object , Object[] , Object[] )
en System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
en System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage4(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage3(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage2(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage1(MessageRpc& rpc)
en System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)
en System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Dispatch(MessageRpc& rpc, Boolean isOperationContextSet)
en System.ServiceModel.Dispatcher.ChannelHandler.DispatchAndReleasePump(RequestContext request, Boolean cleanThread, OperationContext currentOperationContext)
en System.ServiceModel.Dispatcher.ChannelHandler.HandleRequest(RequestContext request, OperationContext currentOperationContext)
en System.ServiceModel.Dispatcher.ChannelHandler.AsyncMessagePump(IAsyncResult result)
en System.ServiceModel.Dispatcher.ChannelHandler.OnAsyncReceiveComplete(IAsyncResult result)
en System.ServiceModel.Diagnostics.Utility.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
en System.ServiceModel.AsyncResult.Complete(Boolean completedSynchronously)
en System.ServiceModel.Channels.InputQueue`1.AsyncQueueReader.Set(Item item)
en System.ServiceModel.Channels.InputQueue`1.Dispatch()
en System.ServiceModel.Channels.ReliableDuplexSessionChannel.ProcessDuplexMessage(WsrmMessageInfo info)
en System.ServiceModel.Channels.ServerReliableDuplexSessionChannel.ProcessMessage(WsrmMessageInfo info)
en System.ServiceModel.Channels.ReliableDuplexSessionChannel.HandleReceiveComplete(IAsyncResult result)
en System.ServiceModel.Channels.ReliableDuplexSessionChannel.OnReceiveCompletedStatic(IAsyncResult result)
en System.ServiceModel.Diagnostics.Utility.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
en System.ServiceModel.AsyncResult.Complete(Boolean completedSynchronously)
en System.ServiceModel.Channels.ReliableChannelBinder`1.InputAsyncResult`1.OnInputComplete(IAsyncResult result)
en System.ServiceModel.Channels.ReliableChannelBinder`1.InputAsyncResult`1.OnInputCompleteStatic(IAsyncResult result)
en System.ServiceModel.Diagnostics.Utility.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
en System.ServiceModel.AsyncResult.Complete(Boolean completedSynchronously)
en System.ServiceModel.Channels.FramingDuplexSessionChannel.TryReceiveAsyncResult.OnReceive(IAsyncResult result)
en System.ServiceModel.Diagnostics.Utility.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
en System.ServiceModel.AsyncResult.Complete(Boolean completedSynchronously)
en System.ServiceModel.Channels.SynchronizedMessageSource.ReceiveAsyncResult.OnReceiveComplete(Object state)
en System.ServiceModel.Channels.SessionConnectionReader.OnAsyncReadComplete(Object state)
en System.ServiceModel.Channels.StreamConnection.OnRead(IAsyncResult result)
en System.ServiceModel.Diagnostics.Utility.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
en System.Net.LazyAsyncResult.Complete(IntPtr userToken)
en System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
en System.Net.Security.NegotiateStream.ProcessFrameBody(Int32 readBytes, Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
en System.Net.Security.NegotiateStream.ReadCallback(AsyncProtocolRequest asyncRequest)
en System.Net.AsyncProtocolRequest.CompleteRequest(Int32 result)
en System.Net.FixedSizeReader.CheckCompletionBeforeNextRead(Int32 bytes)
en System.Net.FixedSizeReader.ReadCallback(IAsyncResult transportResult)
en System.ServiceModel.AsyncResult.Complete(Boolean completedSynchronously)
en System.ServiceModel.Channels.ConnectionStream.ReadAsyncResult.OnAsyncReadComplete(Object state)
en System.ServiceModel.Channels.SocketConnection.FinishRead()
en System.ServiceModel.Channels.SocketConnection.AsyncReadCallback(Boolean haveResult, Int32 error, Int32 bytesRead)
en System.ServiceModel.Channels.OverlappedContext.CompleteCallback(UInt32 error, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
en System.ServiceModel.Diagnostics.Utility.IOCompletionThunk.UnhandledExceptionFrame(UInt32 error, UInt32 bytesRead, NativeOverlapped* nativeOverlapped)
en System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
Source: mscorlib

Thanks