```
Starting QtDesigner ...
[qtpyvcp-designer.vcp_launcher][CRITICAL]  Unhandled exception in designer_plugin.py line 83 (vcp_launcher.py:37)
Traceback (most recent call last):
  File "/home/john/qtpyvcp/qtpyvcp/widgets/qtdesigner/designer_plugin.py", line 83, in createWidget
    w = self.pluginClass()(parent)
  File "/home/john/qtpyvcp/qtpyvcp/widgets/display_widgets/notification_widget.py", line 31, in __init__
    self.clock_channel = getPlugin("clock")
  File "/home/john/qtpyvcp/qtpyvcp/plugins/__init__.py", line 73, in getPlugin
    raise ValueError("Failed to find plugin for '{}' protocol.".format(protocol))
ValueError: Failed to find plugin for 'clock' protocol.
Designer: The custom widget factory registered for widgets of class NotificationWidget returned 0.
** WARNING Factory failed to create  "NotificationWidget"
[qtpyvcp-designer.vcp_launcher][CRITICAL]  Unhandled exception in designer_plugin.py line 83 (vcp_launcher.py:37)
Traceback (most recent call last):
  File "/home/john/qtpyvcp/qtpyvcp/widgets/qtdesigner/designer_plugin.py", line 83, in createWidget
    w = self.pluginClass()(parent)
  File "/home/john/qtpyvcp/qtpyvcp/widgets/display_widgets/notification_widget.py", line 31, in __init__
    self.clock_channel = getPlugin("clock")
  File "/home/john/qtpyvcp/qtpyvcp/plugins/__init__.py", line 73, in getPlugin
    raise ValueError("Failed to find plugin for '{}' protocol.".format(protocol))
ValueError: Failed to find plugin for 'clock' protocol.
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1443, resource id: 10656345, major code: 40 (TranslateCoords), minor code: 0
Designer: The custom widget factory registered for widgets of class NotificationWidget returned 0.
** WARNING Factory failed to create  "NotificationWidget"