console give me this error:

Failed to call hook 'OnPlayerAttack' on plugin 'HitIcon v2.0.1' (NullReferenceException: Object reference not set to an instance of an object)

 

at Oxide.Plugins.HitIcon.SendHit (BasePlayer attacker, HitInfo info) [0x00015] in <feff8c3b54af4aa0ac782ab4946b58bd>:0

at Oxide.Plugins.HitIcon.OnPlayerAttack (BasePlayer attacker, HitInfo hitinfo) [0x00000] in <feff8c3b54af4aa0ac782ab4946b58bd>:0

at Oxide.Plugins.HitIcon.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00151] in <feff8c3b54af4aa0ac782ab4946b58bd>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <87ce9ac9776a48658bc55eae6debe38b>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <18d4f19bbc844191b11ed9e69284d09b>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <18d4f19bbc844191b11ed9e69284d09b>:0