From dcda482914e6ee00c2134d123894ee61a86f2bcf Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Thu, 22 Jun 2017 13:20:06 +0200
Subject: [PATCH] handle the case when no vehicle idle speed is given

---
 VECTO/GUI/VehicleForm.vb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/VECTO/GUI/VehicleForm.vb b/VECTO/GUI/VehicleForm.vb
index dc9ff33ba6..484dc90a8a 100644
--- a/VECTO/GUI/VehicleForm.vb
+++ b/VECTO/GUI/VehicleForm.vb
@@ -362,7 +362,7 @@ Public Class VehicleForm
 		TbMassExtra.Text = vehicle.CurbMassExtra.ToGUIFormat()
 		TbLoad.Text = vehicle.Loading.ToGUIFormat()
 		TBrdyn.Text = (vehicle.DynamicTyreRadius.Value() * 1000).ToGUIFormat()
-		tbVehIdlingSpeed.Text = vehicle.EngineIdleSpeed.AsRPM.ToGUIFormat()
+		tbVehIdlingSpeed.Text = If(vehicle.EngineIdleSpeed Is Nothing, "", vehicle.EngineIdleSpeed.AsRPM.ToGUIFormat())
 
 		CbCdMode.SelectedValue = airdrag.CrossWindCorrectionMode
 		TbCdFile.Text =
-- 
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