Does not work anymore, NRE on reload

When you type /masterlock it tiggles on and off as it should but new locks do not lock. When I reload the pluging I get this error.
"

Failed to call hook 'OnServerInitialized' on plugin 'MasterLock v1.0.2' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.MasterLock.InitializeMasterLock (BuildingPrivlidge privilege) [0x00026] in <438ee43aade7482c95cef85834524c4b>:0

at Oxide.Plugins.MasterLock.FindBuildingPrivileges () [0x00056] in <438ee43aade7482c95cef85834524c4b>:0

at Oxide.Plugins.MasterLock.OnServerInitialized () [0x00000] in <438ee43aade7482c95cef85834524c4b>:0

at Oxide.Plugins.MasterLock.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00213] in <438ee43aade7482c95cef85834524c4b>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <50629aa0e75d4126b345d8d9d64da28d>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <50629aa0e75d4126b345d8d9d64da28d>:0"

Is this plugin dead?

I use it and dont get any of those errors

"MasterLock" (1.0.2) by S0N_0F_BISCUIT (0.28s) - MasterLock.cs