diff --git a/plugins/LayerView/LayerView.py b/plugins/LayerView/LayerView.py
index 358a357d3e..f60d492ec7 100644
--- a/plugins/LayerView/LayerView.py
+++ b/plugins/LayerView/LayerView.py
@@ -11,6 +11,7 @@ from UM.Math.Color import Color
 from UM.Mesh.MeshBuilder import MeshBuilder
 from UM.Job import Job
 from UM.Preferences import Preferences
+from UM.Logger import Logger
 
 from UM.View.RenderBatch import RenderBatch
 from UM.View.GL.OpenGL import OpenGL
@@ -34,7 +35,7 @@ class LayerView(View):
         self._shader = None
         self._selection_shader = None
         self._num_layers = 0
-        self._layer_percentage = 0 # what percentage of layers need to be shown (SLider gives value between 0 - 100)
+        self._layer_percentage = 0  # what percentage of layers need to be shown (Slider gives value between 0 - 100)
         self._proxy = LayerViewProxy.LayerViewProxy()
         self._controller.getScene().getRoot().childrenChanged.connect(self._onSceneChanged)
         self._max_layers = 0
@@ -43,6 +44,7 @@ class LayerView(View):
         self._current_layer_jumps = None
         self._top_layers_job = None
         self._activity = False
+        self._old_max_layers = 0
 
         Preferences.getInstance().addPreference("view/top_layer_count", 5)
         Preferences.getInstance().addPreference("view/only_show_top_layers", False)
@@ -133,7 +135,6 @@ class LayerView(View):
 
     def calculateMaxLayers(self):
         scene = self.getController().getScene()
-        renderer = self.getRenderer() # TODO: @UnusedVariable
         self._activity = True
 
         self._old_max_layers = self._max_layers
@@ -215,6 +216,7 @@ class LayerView(View):
 
         self._startUpdateTopLayers()
 
+
 class _CreateTopLayersJob(Job):
     def __init__(self, scene, layer_number, solid_layers):
         super().__init__()
@@ -242,20 +244,20 @@ class _CreateTopLayersJob(Job):
 
             try:
                 layer = layer_data.getLayer(layer_number).createMesh()
-            except Exception as e:
-                print(e)
+            except Exception:
+                Logger.logException("w", "An exception occurred while creating layer mesh.")
                 return
 
             if not layer or layer.getVertices() is None:
                 continue
 
-            layer_mesh.addIndices(layer_mesh._vertex_count+layer.getIndices())
+            layer_mesh.addIndices(layer_mesh.getVertexCount() + layer.getIndices())
             layer_mesh.addVertices(layer.getVertices())
 
             # Scale layer color by a brightness factor based on the current layer number
             # This will result in a range of 0.5 - 1.0 to multiply colors by.
-            brightness = numpy.ones((1,4), dtype=numpy.float32) * (2.0 - (i / self._solid_layers)) / 2.0
-            brightness[0, 3] = 1.0;
+            brightness = numpy.ones((1, 4), dtype=numpy.float32) * (2.0 - (i / self._solid_layers)) / 2.0
+            brightness[0, 3] = 1.0
             layer_mesh.addColors(layer.getColors() * brightness)
 
             if self._cancel:
@@ -271,7 +273,7 @@ class _CreateTopLayersJob(Job):
         if not jump_mesh or jump_mesh.getVertices() is None:
             jump_mesh = None
 
-        self.setResult({ "layers": layer_mesh.build(), "jumps": jump_mesh })
+        self.setResult({"layers": layer_mesh.build(), "jumps": jump_mesh})
 
     def cancel(self):
         self._cancel = True