Comment 4 for bug 1842523

nager object at 0x12061530>> for live_display_active
2019-09-03 19:22:52,200 MainThread openlp.core.common.registry ERROR OpenLP Error trace
   File run_openlp.py at line 87
         called start()
   File run_openlp.py at line 83
         called main()
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\app.py at line 454
         called sys.exit(application.run(qt_args))
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\app.py at line 145
         called return self.exec()
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\app.py at line 80
         called result = QtWidgets.QApplication.exec()
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\ui\slidecontroller.py at line 1076
         called self.hide_plugin(checked)
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\common\mixins.py at line 62
         called return func(*args, **kwargs)
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\ui\slidecontroller.py at line 1131
         called [self.service_item, self.is_live])
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\common\registry.py at line 136
         called trace_error_handler(log)
   File C:\Users\Kathy\Documents\Church\source\python\openlp_trunk_2898\openlp\openlp\core\common\__init__.py at line 101
         called for tb in traceback.extract_stack():
2019-09-03 19:22:52,205 MainThread openlp.core.common.registry ERROR Event images_unblank called but not registered