Failed to call hook 'OnEntitySpawned' on plugin 'HeliControl v1.3.2' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.HeliControl.OnEntitySpawned (BaseNetworkable entity) [0x00778] in <18bd3c1d03da47b7bf456403809d892e>:0
at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x003c6] in <18bd3c1d03da47b7bf456403809d892e>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0

{
  "Cooldowns": {
    "Cooldown.0": 86400.0,
    "Cooldown.1": 86400.0,
    "Cooldown.2": 86400.0,
    "Cooldown.3": 86400.0,
    "Cooldown.4": 86400.0,
    "Cooldown.5": 86400.0,
    "Cooldown.6": 86400.0,
    "Cooldown.7": 86400.0,
    "Cooldown.8": 86400.0,
    "Cooldown.9": 86400.0,
    "cooldown.ch47.0": 86400.0,
    "cooldown.ch47.1": 86400.0,
    "cooldown.ch47.2": 86400.0,
    "cooldown.ch47.3": 86400.0,
    "cooldown.ch47.4": 86400.0,
    "cooldown.ch47.5": 86400.0,
    "cooldown.ch47.6": 86400.0,
    "cooldown.ch47.7": 86400.0,
    "cooldown.ch47.8": 86400.0,
    "cooldown.ch47.9": 86400.0
  },
  "Damage - Global damage multiplier": 1.0,
  "Gibs - Health of gibs": 2500.0,
  "Gibs - Time until gibs can be harvested in seconds": 600.0,
  "Health - Base Helicopter health": 12500.0,
  "Health - Main rotor health": 12500.0,
  "Health - Tail rotor health": 12500.0,
  "Limits": {
    "Limit.0": 5,
    "Limit.1": 5,
    "Limit.2": 5,
    "Limit.3": 5,
    "Limit.4": 5,
    "Limit.5": 5,
    "Limit.6": 5,
    "Limit.7": 5,
    "Limit.8": 5,
    "Limit.9": 5,
    "limit.ch47.0": 5,
    "limit.ch47.1": 5,
    "limit.ch47.2": 5,
    "limit.ch47.3": 5,
    "limit.ch47.4": 5,
    "limit.ch47.5": 5,
    "limit.ch47.6": 5,
    "limit.ch47.7": 5,
    "limit.ch47.8": 5,
    "limit.ch47.9": 5
  },
  "Loot - Max Crates to drop": 4,
  "Loot - Time before unlocking CH47 crates": -1.0,
  "Loot - Time before unlocking crates": -1.0,
  "Loot - Use Custom loot spawns": false,
  "Misc - Helicopter can shoot while dying": true,
  "Misc - Helicopter speed": 25.0,
  "Misc - Helicopter startup length in seconds": 25.0,
  "Misc - Helicopter startup speed": 100.0,
  "Misc - Maximum CH47 life time in minutes": 25,
  "Misc - Maximum helicopter life time in minutes": 25,
  "Misc - Prevent crates from spawning when forcefully killing helicopter": true,
  "Misc - Water required to extinguish napalm flames": 10000,
  "Rockets - Blunt damage to deal": 180.0,
  "Rockets - Explosion damage to deal": 130.0,
  "Rockets - Explosion radius": 6.0,
  "Rockets - Max helicopter rockets": 12,
  "Rockets - Time between each rocket in seconds": 0.2,
  "Spawning - Automatically call CH47 between max seconds": 14400.0,
  "Spawning - Automatically call CH47 between min seconds": 7200.0,
  "Spawning - Automatically call CH47 if one is already flying": true,
  "Spawning - Automatically call helicopter between max seconds": 14400.0,
  "Spawning - Automatically call helicopter between min seconds": 7200.0,
  "Spawning - Automatically call helicopter if one is already flying": true,
  "Spawning - Chinooks to spawn": 1,
  "Spawning - Disable CH47 default spawns": true,
  "Spawning - Disable Helicopter": false,
  "Spawning - Disable helicopter gibs": false,
  "Spawning - Disable helicopter napalm": false,
  "Spawning - Disable Rust's default spawns": true,
  "Spawning - Helicopters to spawn": 1,
  "Spawning - Max active helicopters": 10,
  "Spawning - Use custom helicopter spawns": true,
  "Spawning - Use static spawning": false,
  "Spawning - Use static spawning for CH47": false,
  "Turrets - Helicopter bullet accuracy": 1.75,
  "Turrets - Helicopter bullet damage": 20.0,
  "Turrets - Helicopter bullet speed": 250,
  "Turrets - Max range": 300.0,
  "Turrets - Time between turret bursts in seconds": 3.5,
  "Turrets - Turret burst length in seconds": 3.0,
  "Turrets - Turret fire rate in seconds": 0.125
}​

(12:27:57) | [Oxide] 13:27 [Error] Failed to call hook 'OnEntitySpawned' on plugin 'HeliControl v1.3.5' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.HeliControl.OnEntitySpawned (BaseNetworkable entity) [0x008c4] in <00fe38ea7f204be48a229012f22c2827>:0 
  at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x003c6] in <00fe38ea7f204be48a229012f22c2827>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0

Even with the newest update for this plugin, I'm still consistantly getting errors. :(

Irishsun530

(12:27:57) | [Oxide] 13:27 [Error] Failed to call hook 'OnEntitySpawned' on plugin 'HeliControl v1.3.5' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.HeliControl.OnEntitySpawned (BaseNetworkable entity) [0x008c4] in <00fe38ea7f204be48a229012f22c2827>:0 
  at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x003c6] in <00fe38ea7f204be48a229012f22c2827>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0

 

Even with the newest update for this plugin, I'm still consistantly getting errors. :(

That is not the latest update. A day prior to you posting this, 1.3.6 was released. You are still on 1.3.5 according to that exception.