deleted old SR added new file edited config save and reloaded mod get this

Failed to call hook 'Unload' on plugin 'SmoothRestarter v3.0.0' (ArgumentNullException: Value cannot be null.

Parameter name: source)

at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x0000d] in <351e49e2a5bf4fd6beabb458ce2255f3>:0

at Oxide.Plugins.SmoothRestarter+SmoothRestarterUi.Cleanup () [0x00000] in <a3f3acc4ed474565a3d61592775f9d93>:0

at Oxide.Plugins.SmoothRestarter.Unload () [0x00027] in <a3f3acc4ed474565a3d61592775f9d93>:0

at Oxide.Plugins.SmoothRestarter.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00224] in <a3f3acc4ed474565a3d61592775f9d93>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <31122a27a2414cd799150f8677cf39d4>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <0fbce81d88d64454b3e7abb24df7026b>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <0fbce81d88d64454b3e7abb24df7026b>:0

Strange, never happened while I was testing. Anyways, added another null check, try 3.0.1 version

resolved in update