Failed to call hook 'OnServerInitialized' on plugin 'CompoundOptions v1.1.6' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.CompoundOptions.AddVendingOrders (NPCVendingMachine vending, System.Boolean def) [0x00056] in <0f74868dad284d72bb5c74fd0ceb5a06>:0
at Oxide.Plugins.CompoundOptions.OnServerInitialized () [0x0003a] in <0f74868dad284d72bb5c74fd0ceb5a06>:0
at Oxide.Plugins.CompoundOptions.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00275] in <0f74868dad284d72bb5c74fd0ceb5a06>: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
Calling 'OnServerInitialized' on 'CompoundOptions v1.1.6' took 223ms
Loaded plugin Compound Options v1.1.6 by FastBurst

Should be resolved with the latest update.