I get the following errors when i try to load this mod since this mornings server update 

(07:30:45) | BuildingGrades was compiled successfully in 2465ms
(07:30:45) | [Building Grades] Creating a new configuration file
(07:30:45) | Failed to initialize plugin 'BuildingGrades v1.0.7' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.BuildingGrades.Init () [0x0016c] in <e50010692bfb4293a9e3b54a3da2ec21>:0 
  at Oxide.Plugins.BuildingGrades.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00051] in <e50010692bfb4293a9e3b54a3da2ec21>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <d431e37658ba4727b7490299d12dfc44>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0 
  at Oxide.Core.Plugins.CSPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x00043] in <157a94ee66ab4a7991faecd1eb84be3b>:0
(07:30:45) | Unloaded plugin Building Grades v1.0.7 by Default/Arainrr​

Oxide dont work
https://umod.org/community/rust/47489-oxide-update-outstanding?page=1#post-4