I am trying to unpublish the publication in Tridion docs 2013 SP2. The publication status is Released or Draft. When I try unpublish the publication it shows below Error

After this Error the Status changes to Unpublish Pending. If I try to cancel the process, It shows me -
FISHUNPUBLISHEVENTID The FieldValue "FISHUNPUBLISHEVENTID" cannot be returned, because it is not initialized.

I tried to check the logs which looks like -

11:24:29.6064 Warn 12 00024 a:UC:Admin /ISHCM/EventMonitor/Main/DetailsViaEventId?eventId=&detailsTitle=Sensation+Beats+Audio-v1-DynamicDelivery-en Trisoft.Utilities.ServiceReferences.Helpers.ServicePointManagerHelper.OptimizeServicePointManagerDefaultConnectionLimit asp.net detected. Bypassing []
11:24:29.6230 Error 12 00024 a:UC:Admin /ISHCM/EventMonitor/Main/DetailsViaEventId?eventId=&detailsTitle=Sensation+Beats+Audio-v1-DynamicDelivery-en Trisoft.InfoShare.EventMonitor.Services.EventMonitorService.GetProgressItem []
System.ArgumentException: Invalid event id. at Trisoft.InfoShare.Client.Remote.Asmx.EventMonitorService25.GetProgressId(String eventId) at Trisoft.InfoShare.Client.Remote.EventMonitorService.Trisoft.InfoShare.Client.Services.IEventMonitorService.GetProgressId(String eventId) at Trisoft.InfoShare.EventMonitor.Services.EventMonitorService.GetProgressItem(String eventId, IList1 requestedFields) MainController.GetProgressItem => EventMonitorService.Trisoft.InfoShare.EventMonitor.Services.IEventMonitorService.GetProgressItem => EventMonitorService.GetProgressItem 11:24:29.6230 Error 12 00024 a:UC:Admin /ISHCM/EventMonitor/Main/DetailsViaEventId?eventId=&detailsTitle=Sensation+Beats+Audio-v1-DynamicDelivery-en Trisoft.InfoShare.EventMonitor.Services.EventMonitorService.GetProgressItem (eventId=[],requestedFields=[null]) [] 11:24:29.6230 Error 12 00024 a:UC:Admin /ISHCM/EventMonitor/Main/DetailsViaEventId?eventId=&detailsTitle=Sensation+Beats+Audio-v1-DynamicDelivery-en Trisoft.InfoShare.Web.FilterAttributes.TrisoftHandleErrorAndLogAttribute.OnException [] System.ArgumentException: Invalid event id. at Trisoft.InfoShare.Client.Remote.Asmx.EventMonitorService25.GetProgressId(String eventId) at Trisoft.InfoShare.Client.Remote.EventMonitorService.Trisoft.InfoShare.Client.Services.IEventMonitorService.GetProgressId(String eventId) at Trisoft.InfoShare.EventMonitor.Services.EventMonitorService.GetProgressItem(String eventId, IList1 requestedFields) at Trisoft.InfoShare.EventMonitor.Services.EventMonitorService.Trisoft.InfoShare.EventMonitor.Services.IEventMonitorService.GetProgressItem(String eventId, IList1 requestedFields) at Trisoft.InfoShare.Web.Areas.EventMonitor.Controllers.MainController.GetProgressItem(String eventId, ActionResult& actionResult) at Trisoft.InfoShare.Web.Areas.EventMonitor.Controllers.MainController.DetailsViaEventId(String eventId, String detailsTitle) at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult2.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase1.End() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult1.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.b__1c() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.b__1e(IAsyncResult asyncResult) <>c__DisplayClass21.b__1e => ControllerActionInvoker.InvokeExceptionFilters => TrisoftHandleErrorAndLogAttribute.OnException 11:24:29.6230 Error 12 00024 a:UC:Admin /ISHCM/EventMonitor/Main/DetailsViaEventId?eventId=&detailsTitle=Sensation+Beats+Audio-v1-DynamicDelivery-en Trisoft.InfoShare.Web.FilterAttributes.TrisoftHandleErrorAndLogAttribute.OnException (controller=[Main],action=[DetailsViaEventId]) []
11:24:29.9629 Info 10 00000 na:: Trisoft.Web.HttpApplication.Dispose Disposing web application. []
11:24:29.9629 Info 10 00000 na:: Trisoft.Utilities.Common.Modules.RemoveVersionHttpResponseHeaderModule.Dispose Trisoft.Utilities.Common.Modules.RemoveVersionHttpResponseHeaderModule (with hashcode 40644060) is disposed. []
11:24:30.5274 Info 11 00000 na:: Trisoft.Utilities.Logging.Helpers.RequestIDHelper.Set (requestID=[25]) []
11:24:30.5274 Info 13 00000 na:: Trisoft.Utilities.Logging.Helpers.RequestIDHelper.Set (requestID=[26]) []
11:24:30.5283 Info 12 00000 na:: Trisoft.Utilities.Common.Modules.RemoveVersionHttpResponseHeaderModule.Init

It looks I am missing some configuration somewhere.