From c34c641d1e5c50e8d27d237b7edd019c51f6fd7b Mon Sep 17 00:00:00 2001
From: schwiti6190 <58079399+schwiti6190@users.noreply.github.com>
Date: Wed, 27 Oct 2021 18:07:22 +0200
Subject: [PATCH 1/2] Fixes #7578

---
 toolManager.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolManager.lua b/toolManager.lua
index ff51dc9b7..912b3e8cb 100644
--- a/toolManager.lua
+++ b/toolManager.lua
@@ -566,7 +566,7 @@ end
 ---@param object table
 ---@param logPrefix string
 function WorkWidthUtil.getShovelWorkWidth(object,logPrefix)
-	if object.spec_shovel then 
+	if object.spec_shovel and object.spec_shovel.shovelNodes and object.spec_shovel.shovelNodes[1] then 
 		local width = object.spec_shovel.shovelNodes[1].width
 		WorkWidthUtil.debug(object,logPrefix,'is a shovel with work width: %.1f',width)
 		return width

From 9cfa318a0e93bc2dadc4ee290fccd09e51b539b6 Mon Sep 17 00:00:00 2001
From: schwiti6190 <58079399+schwiti6190@users.noreply.github.com>
Date: Wed, 27 Oct 2021 18:15:46 +0200
Subject: [PATCH 2/2] Might fix Mode7 field selection on clients.

---
 base.lua     |  3 +++
 settings.lua | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/base.lua b/base.lua
index 87eb28534..7d4c0ddef 100644
--- a/base.lua
+++ b/base.lua
@@ -402,6 +402,9 @@ function courseplay:onUpdate(dt)
 			self.cp.driver:postInit()
 		end
 		self.cp.settings.driverMode:postInit()
+		--- Refreshes all field number settings on start,
+		--- as clients might have a corrupted version.
+		FieldNumberSetting.refreshOnStart()
 		self.cp.postInitDone = true
 	end
 
diff --git a/settings.lua b/settings.lua
index ccc3bae47..364d7c8be 100644
--- a/settings.lua
+++ b/settings.lua
@@ -2021,9 +2021,13 @@ end
 --- Setting to select a field
 ---@class FieldNumberSetting : SettingList
 FieldNumberSetting = CpObject(SettingList)
+FieldNumberSetting.Settings = {}
 function FieldNumberSetting:init(name, label, toolTip, vehicle)
 	local values, texts = self:loadFields()
 	SettingList.init(self, name, label, toolTip, vehicle, values, texts)
+	--- Store all instances of this setting in a global table,
+	--- for direct access to update their manual tool positions.	
+	table.insert(FieldNumberSetting.Settings,self)
 end
 
 function FieldNumberSetting:loadFields()
@@ -2053,6 +2057,14 @@ function FieldNumberSetting:refresh()
 	self.current = math.min(self.current, #self.values)
 end
 
+--- Refreshes all field number settings on start,
+--- as clients might have a corrupted version.
+function FieldNumberSetting.refreshOnStart()
+	for _,setting in pairs(FieldNumberSetting.Settings) do 
+		setting:refresh()
+	end
+end
+
 -- see above, refresh in case it was not initialized
 function FieldNumberSetting:get()
 	if #self.values == 0 or self.current > #self.values then