I've fixed multiple errors within this code but can't figure out what is going on here. It says it happens at (66,80). Thanks!

pragma strict

var objectPos : Vector3;

 var objectRot : Quaternion;
 
 var pickObj : GameObject;
 
 var canpick = true;
 
 var picking = false;
 
 var guipick = false;
 
 var pickref : GameObject;
 
 
 
 function Start () {
 
     pickref = GameObject.FindWithTag ("pickupref");
 
     pickObj = pickref;
 
 }
 
 function Update () {
 
     var raycheck:Ray=Camera.main.ScreenPointToRay(Input.mousePosition); 
 
     var hitcheck: RaycastHit;
 
     if (Physics.Raycast(raycheck, hitcheck,10) && hitcheck.collider.gameObject.tag == "pickup"){ guipick = true;
 
     }
 
     if (Physics.Raycast(raycheck, hitcheck) && hitcheck.collider.gameObject.tag != "pickup"){ guipick = false;
 
     }
 
     objectPos = transform.position;
 
     objectRot = transform.rotation;
 
     if(Input.GetMouseButtonDown(0) && canpick){
 
         picking = true;
 
         var ray:Ray=Camera.main.ScreenPointToRay(Input.mousePosition);
 
         var hit: RaycastHit;
 
         if (Physics.Raycast(ray, hit, 10) && hit.collider.gameObject.tag == "pickup"){ pickObj = hit.collider.gameObject; hit.rigidbody.useGravity = false; hit.rigidbody.isKinematic = true; hit.collider.isTrigger = true; hit.transform.parent = gameObject.transform; hit.transform.position = objectPos; hit.transform.rotation = objectRot;
 
         }
 
     }
 
     if(Input.GetMouseButtonUp(0) && picking){
 
         picking = false;
 
         canpick = false;
 
     }
 
     if(Input.GetMouseButtonDown(0) && !canpick && pickObj.GetComponent(pickObj.refusethrow) !=true){ canpick=true;pickObj.GetComponent.<Rigidbody>().useGravity = true;
 
         pickObj.GetComponent.<Rigidbody>().isKinematic = false;
 
         pickObj.transform.parent = null;
 
         pickObj.GetComponent.<Collider>().isTrigger = false; pickObj.GetComponent.<Rigidbody>().AddForce (transform.forward * 8000); pickObj = pickref;
 
     }
 
     if(Input.GetMouseButtonDown(1)&&!canpick && pickObj.GetComponent(pickedupobj).refusethrow!=true){canpick=true;pickObj.GetComponent.<Rigidbody>().useGravity=true;
 
         pickObj.GetComponent.<Rigidbody>().isKinematic = false;
 
         pickObj.transform.parent = null;
 
         pickObj.GetComponent.<Collider>().isTrigger = false; pickObj = pickref;
     }
 
 }
 
 function OnGUI () {
 
     GUI.Label(Rect(Screen.width/2,Screen.height/2.1,Screen.width/2,Screen.height/2),"X");
 
     if (guipick && canpick){
 
         GUI.Label(Rect(Screen.width/2,Screen.height/2,Screen.width/2,Screen.height/2),"Pick Up");
 
     }
 }