chinook getting stuck

same issue like dfgas have ... this is error what getting in console. i hope it will helps to solve it. 

Failed to run a 60.00 timer in 'MonumentEvents v1.0.0' (NullReferenceException: Object reference not set to an instance of an object)

at LootableCorpse.SetUpContainerFromSource (ItemContainer source) [0x00006] in <7e8606958f664b0198f76888facd0aa9>:0

at LootableCorpse.TakeFrom (BaseEntity fromEntity, ItemContainer containerA, ItemContainer containerB, ItemContainer containerC) [0x0002b] in <7e8606958f664b0198f76888facd0aa9>:0

at NPCPlayer.CreateCorpse (BasePlayer+PlayerFlags flagsOnDeath, UnityEngine.Vector3 posOnDeath, UnityEngine.Quaternion rotOnDeath, System.Collections.Generic.List`1[T] triggersOnDeath, System.Boolean forceServerSide) [0x000c0] in <7e8606958f664b0198f76888facd0aa9>:0

at BasePlayer.OnKilled (HitInfo info) [0x002da] in <7e8606958f664b0198f76888facd0aa9>:0

at ScientistNPC.OnKilled (HitInfo info) [0x00000] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseCombatEntity.Die (HitInfo info) [0x00084] in <7e8606958f664b0198f76888facd0aa9>:0

at BasePlayer.Die (HitInfo info) [0x000d6] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseCombatEntity.Hurt (HitInfo info) [0x002b8] in <7e8606958f664b0198f76888facd0aa9>:0

at BasePlayer.Hurt (HitInfo info) [0x00312] in <7e8606958f664b0198f76888facd0aa9>:0

at HumanNPC.Hurt (HitInfo info) [0x00018] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseCombatEntity.Hurt (System.Single amount, Rust.DamageType type, BaseEntity attacker, System.Boolean useProtection) [0x0002f] in <7e8606958f664b0198f76888facd0aa9>:0

at CH47HelicopterAIController.DismountAllPlayers () [0x00040] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseMountable.DoServerDestroy () [0x00000] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseHelicopter.DoServerDestroy () [0x00007] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseNetworkable.DoEntityDestroy () [0x00026] in <7e8606958f664b0198f76888facd0aa9>:0

at BaseNetworkable.Kill (BaseNetworkable+DestroyMode mode) [0x00059] in <7e8606958f664b0198f76888facd0aa9>:0

at Oxide.Plugins.MonumentEvents+CallChinok.KillCH47 () [0x0004c] in <a1116cc01b114bd2a6640680fd5e644c>:0

at Oxide.Plugins.MonumentEvents+CallChinok.<UpdateTarget>b__13_2 () [0x00000] in <a1116cc01b114bd2a6640680fd5e644c>:0

at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in <beb2b64691c64e2b95b99491bd85442c>:0

Changed Status from Pending to Closed