SCP-714 null reference spam

[Artyomus1337]

Describe the bug
When someone equips SCP-714, it spams Null reference excpetion.

[2022-06-12 14:51:22.757 +00:00] [ERROR] [Exiled.API] Method "OnHurting" of the class "CustomItems.Items.Scp714" caused an exception when handling the event "Exiled.Events.Events+CustomEventHandler1[[Exiled.Events.EventArgs.HurtingEventArgs, Exiled.Events, Version=5.2.1.0, Culture=neutral, PublicKeyToken=null]]" [2022-06-12 14:51:22.770 +00:00] [ERROR] [Exiled.Events] System.NullReferenceException: Object reference not set to an instance of an object at CustomItems.Items.Scp714.OnHurting (Exiled.Events.EventArgs.HurtingEventArgs ev) [0x00023] in <f6cb6e5a8a1c4dfc81001e3099d5cd04>:0 at Exiled.Events.Extensions.Event.InvokeSafely[T] (Exiled.Events.Events+CustomEventHandler1[TEventArgs] ev, T arg) [0x00024] in <32fb445e6d8b424c811af67d9fed00df>:0

To Reproduce
Steps to reproduce the behavior:

1. Install CustomItems
2. Enable SCP-714
3. Pick up SCP-714
4. Equip SCP-714

Expected behavior
Clear console without errors

EXILED Version ("latest" is not a version):
5.2.1

Results of show plugins command in console:

Extra info