protocol gateway status showing busy and it shows unhandled exception

Recovering role... Unhandled Exception: One or more errors occurred. at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken) at ProtocolGateway.Host.Cloud.Service.WorkerRole.Run() in D:\Anuj\IOT\AZURE_Protocol_Gateway\host\ProtocolGateway.Host.Cloud.Service\WorkerRole.cs:line 31 at Microsoft.WindowsAzure.ServiceRuntime.RoleEnvironment.StartRoleInternal() at Microsoft.WindowsAzure.ServiceRuntime.Implementation.Loader.RoleRuntimeBridge.b__2() 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.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() Inner Exception: Method not found: 'Void Microsoft.WindowsAzure.Storage.Table.CloudTableClient.set_RetryPolicy(Microsoft.WindowsAzure.Storage.RetryPolicies.IRetryPolicy)'. at Microsoft.Practices.EnterpriseLibrary.SemanticLogging.Sinks.WindowsAzureTableSink..ctor(String instanceName, String connectionString, String tableAddress, TimeSpan bufferInterval, Int32 maxBufferSize, TimeSpan onCompletedTimeout) at Microsoft.Practices.EnterpriseLibrary.SemanticLogging.WindowsAzureTableLog.LogToWindowsAzureTable(IObservable`1 eventStream, String instanceName, String connectionString, String tableAddress, Nullable`1 bufferingInterval, Boolean sortKeysAscending, Nullable`1 onCompletedTimeout, Int32 maxBufferSize) at ProtocolGateway.Host.Cloud.Service.WorkerRole.d__5.MoveNext() in D:\Anuj\IOT\AZURE_Protocol_Gateway\host\ProtocolGateway.Host.Cloud.Service\WorkerRole.cs:line 68 ' [2018-02-21T11:15:54Z] Last exit time: [2018/02/21, 11:15:54.481]. Last exit code: 0.