diff --git a/cura/Machines/MachineErrorChecker.py b/cura/Machines/MachineErrorChecker.py
index fb11123af6..857f0bc1c4 100644
--- a/cura/Machines/MachineErrorChecker.py
+++ b/cura/Machines/MachineErrorChecker.py
@@ -168,7 +168,7 @@ class MachineErrorChecker(QObject):
             if validator_type:
                 validator = validator_type(key)
                 validation_state = validator(stack)
-        if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
+        if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError, ValidatorState.Invalid):
             # Finish
             self._setResult(True)
             return
diff --git a/plugins/CuraEngineBackend/StartSliceJob.py b/plugins/CuraEngineBackend/StartSliceJob.py
index 8ce3110a93..fc4de3dfa5 100644
--- a/plugins/CuraEngineBackend/StartSliceJob.py
+++ b/plugins/CuraEngineBackend/StartSliceJob.py
@@ -107,7 +107,7 @@ class StartSliceJob(Job):
 
         for key in stack.getAllKeys():
             validation_state = stack.getProperty(key, "validationState")
-            if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
+            if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError, ValidatorState.Invalid):
                 Logger.log("w", "Setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
                 return True
             Job.yieldThread()
diff --git a/resources/qml/Settings/SettingTextField.qml b/resources/qml/Settings/SettingTextField.qml
index 770ef53900..096f320a7c 100644
--- a/resources/qml/Settings/SettingTextField.qml
+++ b/resources/qml/Settings/SettingTextField.qml
@@ -42,6 +42,7 @@ SettingItem
             }
             switch(propertyProvider.properties.validationState)
             {
+                case "ValidatorState.Invalid":
                 case "ValidatorState.Exception":
                 case "ValidatorState.MinimumError":
                 case "ValidatorState.MaximumError":
@@ -65,6 +66,7 @@ SettingItem
             }
             switch(propertyProvider.properties.validationState)
             {
+                case "ValidatorState.Invalid":
                 case "ValidatorState.Exception":
                 case "ValidatorState.MinimumError":
                 case "ValidatorState.MaximumError":
diff --git a/resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg b/resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg
index 8eabfa8141..5cd123aa19 100644
--- a/resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg
+++ b/resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg
@@ -14,7 +14,7 @@ global_quality = True
 layer_height = 0.08
 layer_height_0 = 0.24
 line_width = 0.4
-wall_line_width_0 = 100
+wall_line_width_0 = 0.4
 initial_layer_line_width_factor = 100
 wall_thickness = 0.8
 wall_0_wipe_dist = 0.2
diff --git a/resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg b/resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg
index ae6411f4f1..9912ecb473 100644
--- a/resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg
+++ b/resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg
@@ -14,7 +14,7 @@ global_quality = True
 layer_height = 0.24
 layer_height_0 = 0.24
 line_width = 0.4
-wall_line_width_0 = 100
+wall_line_width_0 = 0.4
 initial_layer_line_width_factor = 100
 wall_thickness = 0.8
 wall_0_wipe_dist = 0.2
diff --git a/resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg b/resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg
index d825c8b85e..46e80c87b7 100644
--- a/resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg
+++ b/resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg
@@ -14,7 +14,7 @@ global_quality = True
 layer_height = 0.16
 layer_height_0 = 0.24
 line_width = 0.4
-wall_line_width_0 = 100
+wall_line_width_0 = 0.4
 initial_layer_line_width_factor = 100
 wall_thickness = 0.8
 wall_0_wipe_dist = 0.2