Error popped up.

> del ch47scientists.entity
(19:28:50) <size=16>Failed to call internal hook 'OnEntityDeath' on plugin 'BetterNpcNames v1.2.0' [1779071345] (Object reference not set to an instance of an object)
   at void Oxide.Plugins.BetterNpcNames.OnEntityDeath(NPCPlayer npc, HitInfo info) in /home/container/carbon/plugins/BetterNpcNames.cs:line 285
   at object Oxide.Plugins.BetterNpcNames.InternalCallHook(uint hook, object[] args) in BetterNpcNames.cs/Internal:line 107</size>
(19:28:50) <size=16>Failed to call internal hook 'OnEntityDeath' on plugin 'DeathNotes v6.4.3' [1779071345] (Object reference not set to an instance of an object.)
   at void Oxide.Plugins.DeathNotes.OnEntityDeath(BaseCombatEntity victimEntity, HitInfo hitInfo) in /home/container/carbon/plugins/DeathNotes.cs:line 312
   at object Oxide.Plugins.DeathNotes.InternalCallHook(uint hook, object[] args) in DeathNotes.cs/Internal:line 147</size>
(19:28:50) <size=16>Failed destroying 'ch47scientists.entity[125128049]' (Object reference not set to an instance of an object)
   at RpcTarget RpcTarget.NetworkGroup(string funcName, BaseNetworkable entity)
   at void BasePlayer.EnsureDismounted()
   at void BasePlayer.OnDied(HitInfo info)
   at void ScientistNPC.OnDied(HitInfo info)
   at void HumanNPC.Hurt(HitInfo info)
   at void BaseCombatEntity.Hurt(float amount, DamageType type, BaseEntity attacker, bool useProtection)
   at void CH47HelicopterAIController.DismountAllPlayers()
   at void BaseMountable.DoServerDestroy()
   at void BaseHelicopter.DoServerDestroy()
   at void BaseNetworkable.DoEntityDestroy()
   at bool Carbon.Hooks.Category_Fixes+Fixes_FixDel+IDelFix.Prefix(Arg args)+(BaseEntity entity) => { } in /__w/Carbon/Carbon/Carbon.Core/Carbon.Hooks/Carbon.Hooks.Base/src/Fixes/IDelFix.cs:line 50</size>
Deleted 1 entities (found 0 invalid, 1 failed).
> del ch47scientists.entity
Deleted 0 entities (found 0 invalid, 0 failed).

Failed to call internal hook 'OnEntityDeath' on plugin 'BetterNpcNames v1.2.0' [1779071345] (Object reference not set to an instance of an object)
   at void Oxide.Plugins.BetterNpcNames.OnEntityDeath(NPCPlayer npc, HitInfo info) in /home/container/carbon/plugins/BetterNpcNames.cs:line 285
   at object Oxide.Plugins.BetterNpcNames.InternalCallHook(uint hook, object[] args) in BetterNpcNames.cs/Internal:line 107
Failed to call internal hook 'OnEntityDeath' on plugin 'DeathNotes v6.4.4' [1779071345] (Object reference not set to an instance of an object.)
   at void Oxide.Plugins.DeathNotes.OnEntityDeath(BaseCombatEntity victimEntity, HitInfo hitInfo) in /home/container/carbon/plugins/DeathNotes.cs:line 312
   at object Oxide.Plugins.DeathNotes.InternalCallHook(uint hook, object[] args) in DeathNotes.cs/Internal:line 147
NullReferenceException: Object reference not set to an instance of an object