diff --git a/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py b/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
index 5f43b8e1a0..e18f8098df 100644
--- a/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
+++ b/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
@@ -150,5 +150,5 @@ class ArrangeObjectsAllBuildPlatesJob(Job):
             no_full_solution_message = Message(i18n_catalog.i18nc("@info:status",
                                                                   "Unable to find a location within the build volume for all objects"),
                                                title = i18n_catalog.i18nc("@info:title", "Can't Find Location"),
-                                               message_type = Message.MessageType.ERROR)
+                                               message_type = Message.MessageType.WARNING)
             no_full_solution_message.show()
diff --git a/cura/MultiplyObjectsJob.py b/cura/MultiplyObjectsJob.py
index dcfb60a921..4c1caf137c 100644
--- a/cura/MultiplyObjectsJob.py
+++ b/cura/MultiplyObjectsJob.py
@@ -75,5 +75,5 @@ class MultiplyObjectsJob(Job):
             no_full_solution_message = Message(
                 i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"),
                 title = i18n_catalog.i18nc("@info:title", "Placing Object"),
-                message_type = Message.MessageType.ERROR)
+                message_type = Message.MessageType.WARNING)
             no_full_solution_message.show()
diff --git a/plugins/Toolbox/src/CloudSync/RestartApplicationPresenter.py b/plugins/Toolbox/src/CloudSync/RestartApplicationPresenter.py
index 0a3bf5fcb2..8776d1782a 100644
--- a/plugins/Toolbox/src/CloudSync/RestartApplicationPresenter.py
+++ b/plugins/Toolbox/src/CloudSync/RestartApplicationPresenter.py
@@ -17,8 +17,7 @@ class RestartApplicationPresenter:
 
         message = Message(self._i18n_catalog.i18nc("@info:generic",
                                                    "You need to quit and restart {} before changes have effect.",
-                                                   app_name),
-                          message_type = Message.MessageType.WARNING)
+                                                   app_name))
 
         message.addAction("quit",
                           name="Quit " + app_name,
diff --git a/plugins/UM3NetworkPrinting/src/Messages/LegacyDeviceNoLongerSupportedMessage.py b/plugins/UM3NetworkPrinting/src/Messages/LegacyDeviceNoLongerSupportedMessage.py
index 1a7c4ebe3b..9014cc2d70 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/LegacyDeviceNoLongerSupportedMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/LegacyDeviceNoLongerSupportedMessage.py
@@ -14,7 +14,7 @@ class LegacyDeviceNoLongerSupportedMessage(Message):
     """Singleton used to prevent duplicate messages of this type at the same time."""
 
     def __init__(self) -> None:
-        super(LegacyDeviceNoLongerSupportedMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "You are attempting to connect to a printer that is not "
                                                       "running Ultimaker Connect. Please update the printer to the "
                                                       "latest firmware."),
diff --git a/plugins/UM3NetworkPrinting/src/Messages/MaterialSyncMessage.py b/plugins/UM3NetworkPrinting/src/Messages/MaterialSyncMessage.py
index 648a8005b5..887cfaa5e8 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/MaterialSyncMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/MaterialSyncMessage.py
@@ -20,14 +20,12 @@ class MaterialSyncMessage(Message):
     """Singleton used to prevent duplicate messages of this type at the same time."""
 
     def __init__(self, device: "UltimakerNetworkedPrinterOutputDevice") -> None:
-        super(MaterialSyncMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "Cura has detected material profiles that were not yet installed "
                                                       "on the host printer of group {0}.", device.name),
             title = I18N_CATALOG.i18nc("@info:title", "Sending materials to printer"),
             lifetime = 10,
-            dismissable = True,
-            message_type = Message.MessageType.POSITIVE
-        )
+            dismissable = True)
 
     def show(self) -> None:
         if MaterialSyncMessage.__is_visible:
diff --git a/plugins/UM3NetworkPrinting/src/Messages/NotClusterHostMessage.py b/plugins/UM3NetworkPrinting/src/Messages/NotClusterHostMessage.py
index 7bb1e231ba..059b81b39e 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/NotClusterHostMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/NotClusterHostMessage.py
@@ -23,7 +23,7 @@ class NotClusterHostMessage(Message):
     """Singleton used to prevent duplicate messages of this type at the same time."""
 
     def __init__(self, device: "UltimakerNetworkedPrinterOutputDevice") -> None:
-        super(NotClusterHostMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "You are attempting to connect to {0} but it is not "
                                                       "the host of a group. You can visit the web page to configure "
                                                       "it as a group host.", device.name),
diff --git a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadBlockedMessage.py b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadBlockedMessage.py
index d526d8423b..853f6a1380 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadBlockedMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadBlockedMessage.py
@@ -11,7 +11,7 @@ class PrintJobUploadBlockedMessage(Message):
     """Message shown when uploading a print job to a cluster is blocked because another upload is already in progress."""
 
     def __init__(self) -> None:
-        super(PrintJobUploadBlockedMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "Please wait until the current job has been sent."),
             title = I18N_CATALOG.i18nc("@info:title", "Print error"),
             lifetime = 10,
diff --git a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadErrorMessage.py b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadErrorMessage.py
index ea9c1012a3..4b30013b9c 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadErrorMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadErrorMessage.py
@@ -11,7 +11,7 @@ class PrintJobUploadErrorMessage(Message):
     """Message shown when uploading a print job to a cluster failed."""
 
     def __init__(self, message: str = None) -> None:
-        super(PrintJobUploadErrorMessage, self).__init__(
+        super().__init__(
             text = message or I18N_CATALOG.i18nc("@info:text", "Could not upload the data to the printer."),
             title = I18N_CATALOG.i18nc("@info:title", "Network error"),
             message_type=Message.MessageType.ERROR
diff --git a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadProgressMessage.py b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadProgressMessage.py
index 03588f5c64..63fa037890 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadProgressMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadProgressMessage.py
@@ -11,7 +11,7 @@ class PrintJobUploadProgressMessage(Message):
     """Class responsible for showing a progress message while a mesh is being uploaded to the cloud."""
 
     def __init__(self):
-        super(PrintJobUploadProgressMessage, self).__init__(
+        super().__init__(
             title = I18N_CATALOG.i18nc("@info:status", "Sending Print Job"),
             text = I18N_CATALOG.i18nc("@info:status", "Uploading print job to printer."),
             progress = -1,
diff --git a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadQueueFullMessage.py b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadQueueFullMessage.py
index a296b9fd57..fc05ce3389 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadQueueFullMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadQueueFullMessage.py
@@ -12,7 +12,7 @@ class PrintJobUploadQueueFullMessage(Message):
     """Message shown when uploading a print job to a cluster and the print queue is full."""
 
     def __init__(self) -> None:
-        super(PrintJobUploadQueueFullMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "Print job queue is full. The printer can't accept a new job."),
             title = I18N_CATALOG.i18nc("@info:title", "Queue Full"),
             lifetime = 10,
diff --git a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadSuccessMessage.py b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadSuccessMessage.py
index e82a031a39..7fa7340cff 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadSuccessMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadSuccessMessage.py
@@ -11,7 +11,7 @@ class PrintJobUploadSuccessMessage(Message):
     """Message shown when uploading a print job to a cluster succeeded."""
 
     def __init__(self) -> None:
-        super(PrintJobUploadSuccessMessage, self).__init__(
+        super().__init__(
             text = I18N_CATALOG.i18nc("@info:status", "Print job was successfully sent to the printer."),
             title = I18N_CATALOG.i18nc("@info:title", "Data Sent"),
             message_type = Message.MessageType.POSITIVE