error log

The following error keeps appearing.
The setting is custom MAP, but it doesn't change if I use vanilla MAP.
The error appears to occur when the taxi lands at the destination.

Failed to call hook 'CanBuild' on plugin 'CopterTaxi v1.3.2' (NullReferenceException: )
  at (wrapper managed-to-native) UnityEngine.Component.GetComponentFastPath(UnityEngine.Component,System.Type,intptr)
  at UnityEngine.Component.GetComponent[T] () [0x00021] in <935634f5cc14479dbaa30641d55600a9>:0 
  at Oxide.Plugins.CopterTaxi.CanBuild (Planner plan, Construction prefab) [0x0003b] in <2ff0e54fc12944d7adb9d0358954ecaf>:0 
  at Oxide.Plugins.CopterTaxi.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00c85] in <2ff0e54fc12944d7adb9d0358954ecaf>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <d59b507fd76240e5b62228d0eae39b73>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <d59b507fd76240e5b62228d0eae39b73>:0 

CopterTaxi.json

Will check it