error catch

Assets/BowArrow/Scripts/Bluetooth/AimHandler.cs

@@ -379,7 +379,10 @@ public class AimHandler : MonoBehaviour
            
         // }
         mag0o = UnityVectorTo0o(Mag);
-        if (!MagCalibrater.Update(mag0o)) {
+        try {
+            if (!MagCalibrater.Update(mag0o)) return;
+        } catch(System.Exception) {
+            MagCalibrater = new MagnetometerAutoCalibrater();
             return;
         }
         mag0o = MagCalibrater.EllipsoidFitting.Map(mag0o);