cssharp 115 errors about weapon-restrict HOT 4 OPEN

2023-12-12 22:04:56.515 -03:00 [EROR] (cssharp:Core) Error invoking callback
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
 ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Weapon_Restrict.WeaponRestrict.OnEventItemPickupPost(EventItemPickup event, GameEventInfo info) in E:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive\game\csgo\addons\counterstrikesharp\plugins\Weapon_Restrict\Weapon_Restrict.cs:line 92
   at InvokeStub_GameEventHandler`1.Invoke(Object, Object, IntPtr*)
   at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   --- End of inner exception stack trace ---
   at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at CounterStrikeSharp.API.Core.FunctionReference.<>c__DisplayClass3_0.<.ctor>b__0(fxScriptContext* context) in /home/runner/work/CounterStrikeSharp/CounterStrikeSharp/managed/CounterStrikeSharp.API/Core/FunctionReference.cs:line 82

06:19:34 [EROR] (cssharp:Core) Error invoking callback
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
 ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Weapon_Restrict.WeaponRestrict.OnEventItemPickupPost(EventItemPickup event, GameEventInfo info) in E:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive\game\csgo\addons\counterstrikesharp\plugins\Weapon_Restrict\Weapon_Restrict.cs:line 99
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
   at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   --- End of inner exception stack trace ---
   at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at CounterStrikeSharp.API.Core.FunctionReference.<>c__DisplayClass3_0.<.ctor>b__0(fxScriptContext* context) in /home/runner/work/CounterStrikeSharp/CounterStrikeSharp/managed/CounterStrikeSharp.API/Core/FunctionReference.cs:line 82