I am getting the following error only at startup. Nothing has changed in regards to devices and I am running v 0.56.1. I have searchd through the yml files for any duplicate entries related to this device and cannot find any! If someone has some ideas to check next that would be great. This device is (as well as numerous others) added via the Vera component if that helps.
2017-10-22 21:12:02 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
File "/usr/local/lib/python3.6/asyncio/tasks.py", line 180, in _step
result = coro.send(None)
File "/usr/src/app/homeassistant/helpers/entity_component.py", line 398, in async_process_entity
new_entity, self, update_before_add=update_before_add
File "/usr/src/app/homeassistant/helpers/entity_component.py", line 236, in async_add_entity
'Entity id already exists: {}'.format(entity.entity_id))
homeassistant.exceptions.HomeAssistantError: Entity id already exists: switch.garage_door_68