After spawning in some boxes to see what they looked like and how they spawned in, I then wiped everything I had placed. Then I tested the "assests/prefabs/misc/tunneldwelling/tunnellootstrip_a.prefab" and when I went to use the command "/cls wipe", this time I get this error...

Failed to call hook 'chatLootspawn' on plugin 'CustomLootSpawns v0.2.13' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.CustomLootSpawns.ClearContainer (BaseEntity container) [0x000b5] in <c37145609b3945279eb8b48c56388609>:0
at Oxide.Plugins.CustomLootSpawns.chatLootspawn (BasePlayer player, System.String command, System.String[] args) [0x005b7] in <c37145609b3945279eb8b48c56388609>:0
at Oxide.Plugins.CustomLootSpawns.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00ba9] in <c37145609b3945279eb8b48c56388609>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <3606d2af539c45e4b5c61658e6a8b307>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <c2afd8354b8b4f3ca451cf5a1aa111c3>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <c2afd8354b8b4f3ca451cf5a1aa111c3>:0