I added oxide.grant group vip betterhealth.use ,Oxide.grant group vip betterhealth.vip. and in the console writes this.and the health in the VIP group does not change by 400
Failed to call hook 'OnPlayerHealthChange' on plugin 'BetterHealth v1.1.4' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.BetterHealth.OnPlayerHealthChange (BasePlayer player, System.Single oldValue, System.Single newValue) [0x00000] in <46a0c6db573f43e898724b8b8da3eb96>:0
at Oxide.Plugins.BetterHealth.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00181] in <46a0c6db573f43e898724b8b8da3eb96>: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