Failed to call hook 'OnServerInitialized' on plugin 'CompoundOptions v1.1.9' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.CompoundOptions.AddVendingOrders (NPCVendingMachine vending, System.Boolean def) [0x00073] in <21d600b3f92143e394526a565978d605>:0

  at Oxide.Plugins.CompoundOptions.OnServerInitialized () [0x0003a] in <21d600b3f92143e394526a565978d605>:0

  at Oxide.Plugins.CompoundOptions.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00275] in <21d600b3f92143e394526a565978d605>: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 <9882f28dc2204b4dba514a9ad18f5042>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <9882f28dc2204b4dba514a9ad18f5042>:0

Looks like an error in the json of your Data file in the data folder. Use a Json Validator to check it out.