arkadaşlar windows 2012 plesk 12 kullanmaktayım fakat sslde problem yaşamaya başladım. yardımcı olur musunuz? aldığım hata

Hata: A specified logon session does not exist. It may already have been terminated. (Exception from HRESULT: 0x80070520) In Microsoft.Web.Administration module Exception type: System.Runtime.InteropServices.COMException at Microsoft.Web.Administration.Interop.IAppHostMetho dInstance.Execute() at Microsoft.Web.Administration.BindingManager.Save() at Microsoft.Web.Administration.ServerManager.CommitC hanges() at ServerManagerFactory.commit() at IISServerManager.commit(IISServerManager* ) (Error code 1)