Canvas Scaler appears to crash my game.

Hey there,

I'm developing a simple endless runner game and i've done work on the HUD, it was all well and good until i came across a problem in terms of size of my HUD Size, (some had it tiny where as others had it large).

I thought I fixed the problem with Canvas Scaler using its reference resoltuion settings, it looked great in the editor. But then I tried playing, it crashed, i tried exporting... it crashed again. I don't understand why its doing this. Please help this needs to be fixed urgently!

Cheers

EDIT

I was able to solve the problem by recovering a previous project from before I used Canvas Scaler and now I have a new problem, I try to export the game instead and it fails because of a parsing error involving this script.

 using UnityEngine;
 using System.Collections;
 
 namespace WreckersRun.Player
 {
     public class SwipeShipController : GenericShipController {
         
         #if UNITY_EDITOR
         protected override void UpdateInput()
         {
             
             // Read the axis
             float horiz = Input.GetAxis("Horizontal");
             SetMove(horiz < 0.0f, horiz > 0.0f);
             
             
             
             #endif
             float halfWidth = Screen.width / 2;
             if (Input.touchCount > 0)
             {
                 SetMove(
                     Input.GetTouch(0).position.x < halfWidth,
                     Input.GetTouch(0).position.x > halfWidth
                     );
             }
             /*
             if (Input.touchCount != 0)
             {
                 float movement = (float)Input.GetTouch (0).position.x / Screen.width;
 
                 movement -= 0.5f;
 
                 SetMove (movement);
             }
             else
             {
                 SetMove (0.0f);
             }
             */
             //#endif
         }
     }
 }