diff --git a/FS25_ADSmartPickup/adFieldModel.lua b/FS25_ADSmartPickup/adFieldModel.lua
index b75e09b..9fb3ca5 100644
--- a/FS25_ADSmartPickup/adFieldModel.lua
+++ b/FS25_ADSmartPickup/adFieldModel.lua
@@ -360,7 +360,16 @@ function ADFieldModel.startCare(field, stage)
 end
 
 -- Et sæt må ikke over Courseplays grænse; efter-trin skal dække mindst den krævede bredde.
+-- Under dette er bredden ikke læst rigtigt (spreder uden AI-markører gav 0,5 m): Courseplay laver så et
+-- kursus med rækker hver halve meter — på en 72 ha mark fryser spillet (in-game 26/9, F108).
+ADFieldModel.MIN_WORK_WIDTH = 1.5
+-- roller uden eget kursus (følger høsteren / samler baller): ingen arbejdsbredde
+ADFieldModel.NO_WIDTH_ROLES = {unloader = true, baleCollector = true}
+
 function ADFieldModel.checkWidth(role, width, requiredWidth)
+    if width < ADFieldModel.MIN_WORK_WIDTH and not ADFieldModel.NO_WIDTH_ROLES[role] then
+        return false, "widthUnknown", {width}
+    end
     if width > ADFieldModel.CP_MAX_WIDTH + ADFieldModel.WIDTH_TOLERANCE then
         return false, "tooWide", {width, ADFieldModel.CP_MAX_WIDTH}
     end
diff --git a/FS25_ADSmartPickup/gui/SmartPickupFieldTab.lua b/FS25_ADSmartPickup/gui/SmartPickupFieldTab.lua
index d0f5fe2..399a0f8 100644
--- a/FS25_ADSmartPickup/gui/SmartPickupFieldTab.lua
+++ b/FS25_ADSmartPickup/gui/SmartPickupFieldTab.lua
@@ -327,6 +327,7 @@ function SmartPickupFrame:rigDetails(rig)
         table.insert(parts, i18n:getText(rig.mechanical and "spu_field_rig_mechanical" or "spu_field_rig_herbicide"))
     end
     if (rig.width or 0) > ADFieldModel.CP_MAX_WIDTH then table.insert(parts, i18n:getText("spu_field_tooWideShort")) end
+    if (rig.width or 0) < ADFieldModel.MIN_WORK_WIDTH and not ADFieldModel.NO_WIDTH_ROLES[rig.role] then table.insert(parts, i18n:getText("spu_field_widthUnknownShort")) end
     local assignment = ADFieldJobs.state.assignments[rig.id]
     if assignment ~= nil then table.insert(parts, string.format("F%d", assignment.fieldId)) end
     return #parts > 0 and (" — " .. table.concat(parts, " — ")) or ""
diff --git a/FS25_ADSmartPickup/l10n/l10n_da.xml b/FS25_ADSmartPickup/l10n/l10n_da.xml
index 82f8a75..6f6fdbb 100644
--- a/FS25_ADSmartPickup/l10n/l10n_da.xml
+++ b/FS25_ADSmartPickup/l10n/l10n_da.xml
@@ -53,6 +53,7 @@
         <text name="spu_field_reason_noRig" text="ingen %s med flueben i markflåden"/>
         <text name="spu_field_reason_allBusy" text="venter på ledig %s"/>
         <text name="spu_field_reason_tooWide" text="%s for bred: %.1f m &gt; %.0f m (Courseplay)"/>
+        <text name="spu_field_reason_widthUnknown" text="%s: arbejdsbredde %.1f m kan ikke være rigtig — sæt bredden i Courseplay (sendes ikke ud)"/>
         <text name="spu_field_reason_tooNarrow" text="%s for smal: %.1f m &lt; slåbredde %.1f m — sæt Riv til eller brug en bredere"/>
         <text name="spu_field_role_mower" text="slåmaskine"/>
         <text name="spu_field_role_tedder" text="vender"/>
@@ -84,6 +85,7 @@
         <text name="spu_field_fieldSiloNotEmptied" text="! Marksilo %s tømmes ikke hjem — lav et Ud fra bygning-flow"/>
         <text name="spu_field_section_fleet" text="— Markflåde (flueben = må sendes ud) —"/>
         <text name="spu_field_tooWideShort" text="!! over 50 m"/>
+        <text name="spu_field_widthUnknownShort" text="!! bredde ukendt — sæt i Courseplay"/>
         <text name="spu_field_noRigs" text="ingen køretøjer med slåmaskine, vender, river eller læssevogn"/>
         <text name="spu_field_status" text="Marker i gang: %d af %d"/>
         <text name="spu_field_startRequested" text="F%d startes, når en maskine er ledig"/>
diff --git a/FS25_ADSmartPickup/l10n/l10n_en.xml b/FS25_ADSmartPickup/l10n/l10n_en.xml
index 75c98da..5f4af66 100644
--- a/FS25_ADSmartPickup/l10n/l10n_en.xml
+++ b/FS25_ADSmartPickup/l10n/l10n_en.xml
@@ -53,6 +53,7 @@
         <text name="spu_field_reason_noRig" text="no %s ticked in the field fleet"/>
         <text name="spu_field_reason_allBusy" text="waiting for a free %s"/>
         <text name="spu_field_reason_tooWide" text="%s too wide: %.1f m &gt; %.0f m (Courseplay)"/>
+        <text name="spu_field_reason_widthUnknown" text="%s: work width %.1f m cannot be right — set the width in Courseplay (not sent out)"/>
         <text name="spu_field_reason_tooNarrow" text="%s too narrow: %.1f m &lt; mowing width %.1f m — turn on Rake or use a wider one"/>
         <text name="spu_field_role_mower" text="mower"/>
         <text name="spu_field_role_tedder" text="tedder"/>
@@ -84,6 +85,7 @@
         <text name="spu_field_fieldSiloNotEmptied" text="! Field silo %s is not emptied home — create an Out of building flow"/>
         <text name="spu_field_section_fleet" text="— Field fleet (ticked = may be sent out) —"/>
         <text name="spu_field_tooWideShort" text="!! over 50 m"/>
+        <text name="spu_field_widthUnknownShort" text="!! width unknown — set in Courseplay"/>
         <text name="spu_field_noRigs" text="no vehicles with mower, tedder, rake or loading wagon"/>
         <text name="spu_field_status" text="Fields in progress: %d of %d"/>
         <text name="spu_field_startRequested" text="F%d starts when a machine is free"/>
diff --git a/FS25_ADSmartPickup/modDesc.xml b/FS25_ADSmartPickup/modDesc.xml
index 8808b0b..f085a5f 100644
--- a/FS25_ADSmartPickup/modDesc.xml
+++ b/FS25_ADSmartPickup/modDesc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <modDesc descVersion="107">
     <author>masterdraco</author>
-    <version>1.29.0.0</version>
+    <version>1.29.1.0</version>
     <title>
         <en>AD Smart Pickup</en>
     </title>
diff --git a/tests/test_adFieldModel.lua b/tests/test_adFieldModel.lua
index e1b7a68..f6e8ad7 100644
--- a/tests/test_adFieldModel.lua
+++ b/tests/test_adFieldModel.lua
@@ -67,6 +67,14 @@ check("M7 maks slå", M.maxRigs("mowing"), 1)
 local okWide, whyWide = M.checkWidth("mower", 60, nil)
 check("M7 over 50 m", okWide, false); check("M7 grund", whyWide, "tooWide")
 check("M7 40,8 m slå ok", (M.checkWidth("mower", 40.8, nil)), true)
+-- M7b: bredde under 1,5 m er ikke læst rigtigt (spreder gav 0,5 m -> CP-kursus hver halve meter på 72 ha
+-- -> spillet frøs, in-game 26/9) — sendes aldrig ud
+local okTiny, whyTiny = M.checkWidth("fertilizer", 0.5, nil)
+check("M7b 0,5 m afvises", okTiny, false)
+check("M7b grund", whyTiny, "widthUnknown")
+check("M7b 3 m strigle ok", (M.checkWidth("weeder", 3, nil)), true)
+check("M7b aflæsningsvogn uden bredde ok", (M.checkWidth("unloader", 0, nil)), true)
+check("M7b ballesamler uden bredde ok", (M.checkWidth("baleCollector", 0, nil)), true)
 local okNarrow, whyNarrow, args = M.checkWidth("collector", 20, 40.8)
 check("M7 for smal", okNarrow, false); check("M7 grund smal", whyNarrow, "tooNarrow"); check("M7 args", args[2], 40.8)
 check("M7 lige bred ok (tolerance)", (M.checkWidth("collector", 40.76, 40.8)), true)