Failed to call internal hook 'Unload' on plugin 'SmoothRestarter v3.2.0' [4006810030] (Object reference not set to an instance of an object)
   at bool Oxide.Plugins.SmoothRestarter.get_IsRestartingComponent() in /home/container/carbon/plugins/SmoothRestarter.cs:line 150
   at void Oxide.Plugins.SmoothRestarter.Unload() in /home/container/carbon/plugins/SmoothRestarter.cs:line 198
   at object Oxide.Plugins.SmoothRestarter.InternalCallHook(uint hook, object[] args) in SmoothRestarter.cs/Internal:line 306

Looks like a framework issue, not a plugin issue.