I have tried to add a rule to stop player sams from tagetting mini's and turrets from attacking players. The Json checks out ok but I get this error and turrets are still targetting players. I am sure the problem is me can anyone advise ?

Unloaded plugin TruePVE v1.1.8 by RFC1920
Failed to call hook 'OnServerInitialized' on plugin 'TruePVE v1.1.8' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.TruePVE+Rule.GetHashCode () [0x00000] in <9e7ff401890c4d138a09dfd59cd8e87a>:0
at System.Collections.Generic.ObjectEqualityComparer`1[T].GetHashCode (T obj) [0x0000a] in <fb001e01371b4adca20013e0ac763896>:0
at System.Collections.Generic.HashSet`1[T].InternalGetHashCode (T item) [0x0000a] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Collections.Generic.HashSet`1[T].AddIfNotPresent (T value) [0x0000f] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Collections.Generic.HashSet`1[T].Add (T item) [0x00000] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at Oxide.Plugins.TruePVE+RuleSet.Build () [0x00025] in <9e7ff401890c4d138a09dfd59cd8e87a>:0
at Oxide.Plugins.TruePVE+TruePVEData.Init () [0x00024] in <9e7ff401890c4d138a09dfd59cd8e87a>:0
at Oxide.Plugins.TruePVE.OnServerInitialized () [0x00016] in <9e7ff401890c4d138a09dfd59cd8e87a>:0
at Oxide.Plugins.TruePVE.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00704] in <9e7ff401890c4d138a09dfd59cd8e87a>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <80b90e8213db44b29ec2d4111764172c>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <ec05e0208c9149bba43236ca58fea105>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <ec05e0208c9149bba43236ca58fea105>:0