Hi, since a day of 2,3 i have issues with hangouts, sometimes after a reboot it works again, and then a few hours later, i see errors like below
any idea what can be wrong?
offcourse, then my automation are in error too 
2019-10-04 12:25:49 ERROR (MainThread) [hangups.channel] Ran out of retries for long-polling request
2019-10-04 12:25:49 WARNING (MainThread) [hangups.channel] Long-polling request failed: SID became invalid
2019-10-04 12:25:49 WARNING (MainThread) [hangups.channel] retry attempt count is now 6
2019-10-04 12:25:49 ERROR (MainThread) [hangups.channel] Ran out of retries for long-polling request
2019-10-04 12:26:06 ERROR (MainThread) [snitun.multiplexer.core] Ping fails, no response from peer
2019-10-04 12:27:58 ERROR (MainThread) [homeassistant.components.automation] Error while executing automation automation.deurbel. Unknown error for call_service at pos 2:
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/components/automation/__init__.py", line 434, in action
await script_obj.async_run(variables, context)
File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 162, in async_run
await self._handle_action(action, variables, context)
File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 246, in _handle_action
await self._actions[_determine_action(action)](action, variables, context)
File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 329, in _async_call_service
context=context,
File "/usr/src/homeassistant/homeassistant/helpers/service.py", line 98, in async_call_from_config
domain, service_name, service_data, blocking=blocking, context=context
File "/usr/src/homeassistant/homeassistant/core.py", line 1234, in async_call
await asyncio.shield(self._execute_service(handler, service_call))
File "/usr/src/homeassistant/homeassistant/core.py", line 1259, in _execute_service
await handler.func(service_call)
File "/usr/src/homeassistant/homeassistant/components/hangouts/hangouts_bot.py", line 339, in async_handle_send_message
service.data.get(ATTR_DATA, {}),
File "/usr/src/homeassistant/homeassistant/components/hangouts/hangouts_bot.py", line 306, in _async_send_message
await conv.send_message(messages, image_file)
File "/usr/local/lib/python3.7/site-packages/hangups/conversation.py", line 452, in send_message
image_file, return_uploaded_image=True
File "/usr/local/lib/python3.7/site-packages/hangups/client.py", line 272, in upload_image
"size": len(image_data)
File "/usr/local/lib/python3.7/site-packages/hangups/client.py", line 470, in _base_request
'post', url, headers=headers, params=params, data=data,
File "/usr/local/lib/python3.7/site-packages/hangups/http_utils.py", line 65, in fetch
headers=headers, data=data) as res:
File "/usr/local/lib/python3.7/site-packages/aiohttp/client.py", line 1005, in __aenter__
self._resp = await self._coro
File "/usr/local/lib/python3.7/site-packages/aiohttp/client.py", line 348, in _request
raise RuntimeError('Session is closed')
RuntimeError: Session is closed