I'm getting this spammed in the console

Failed to call hook 'OnServerSave' on plugin 'RestoreUponDeath v0.3.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.RestoreUponDeath.SaveData () [0x00000] in <8f03c69de3c94b4a9224b05f2acf5608>:0
at Oxide.Plugins.RestoreUponDeath.OnServerSave () [0x00000] in <8f03c69de3c94b4a9224b05f2acf5608>:0
at Oxide.Plugins.RestoreUponDeath.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00126] in <8f03c69de3c94b4a9224b05f2acf5608>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <cf88a28c7fb44d36890d85a78331cc9d>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <cf88a28c7fb44d36890d85a78331cc9d>:0