FATAL ERROR occurred during execution of worker, queue no longer processed

question
2

I am seeing a similar issue. Here is the stack trace.

    2015-02-04 08:22:01.6881;Fatal;Hangfire.Server.AutomaticRetryServerComponentWrapper;Fatal error occurred during execution of 'Recurring Job Scheduler' component. It will be stopped. See the exception for details.;"System.ArgumentNullException: String reference not set to an instance of a String.
Parameter name: s
   at System.Text.Encoding.GetBytes(String s)
   at ServiceStack.Redis.RedisClient.SetRangeInHash(String hashId, IEnumerable`1 keyValuePairs)
   at Hangfire.Server.RecurringJobScheduler.TryScheduleJob(IStorageConnection connection, String recurringJobId, Dictionary`2 recurringJob)
   at Hangfire.Server.RecurringJobScheduler.Execute(CancellationToken cancellationToken)
   at Hangfire.Server.AutomaticRetryServerComponentWrapper.ExecuteWithAutomaticRetry(CancellationToken cancellationToken)
   at Hangfire.Server.ServerSupervisor.ExecuteComponent()
   at Hangfire.Server.ServerSupervisor.RunComponent()"