2014-01-20 00:02:28,775 [TIA-WEB2SRV][Thread:6][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 02:26:09,339 [TIA-WEB2SRV][Thread:13][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 03:28:36,488 [TIA-WEB2SRV][Thread:6][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 05:03:14,810 [TIA-WEB2SRV][Thread:13][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 07:10:44,388 [TIA-WEB2SRV][Thread:6][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 11:54:05,750 [TIA-WEB2SRV][Thread:9][FATAL] DotNetNuke.Web.Common.Internal.DotNetNukeHttpApplication - System.Web.HttpException (0x80004005): A potentially dangerous Request.Path value was detected from the client (:).
   at System.Web.HttpRequest.ValidateInputIfRequiredByConfig()
   at System.Web.HttpApplication.PipelineStepManager.ValidateHelper(HttpContext context)
2014-01-20 20:19:01,901 [TIA-WEB2SRV][Thread:12][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2014-01-20 21:15:53,495 [TIA-WEB2SRV][Thread:13][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()