No Sensors after reboot Raspberry Pi 2

Hi.

I have a strange problem, after rebooting my raspberry i have lost all of my sensors.
i’ve nothing change in my YAML files, and now there is no sensors reading.

Switches works fine.

i have this error in log:

2017-10-08 13:32:56 WARNING (MainThread) [homeassistant.setup] Setup of notify is taking over 10 seconds.
2017-10-08 13:32:57 WARNING (MainThread) [homeassistant.setup] Setup of weather is taking over 10 seconds.
2017-10-08 13:32:57 WARNING (MainThread) [homeassistant.setup] Setup of media_player is taking over 10 seconds.
2017-10-08 13:32:59 WARNING (MainThread) [homeassistant.setup] Setup of device_tracker is taking over 10 seconds.
2017-10-08 13:33:15 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
File “/usr/lib/python3.6/asyncio/tasks.py”, line 181, in _step
result = coro.throw(exc)
File “/usr/lib/python3.6/site-packages/homeassistant/setup.py”, line 61, in async_setup_component
return (yield from task)
File “/usr/lib/python3.6/asyncio/futures.py”, line 331, in iter
yield self # This tells Task to wait for completion.
File “/usr/lib/python3.6/asyncio/tasks.py”, line 244, in _wakeup
future.result()
File “/usr/lib/python3.6/asyncio/futures.py”, line 244, in result
raise self._exception
File “/usr/lib/python3.6/asyncio/tasks.py”, line 179, in _step
result = coro.send(None)
File “/usr/lib/python3.6/site-packages/homeassistant/setup.py”, line 160, in _async_setup_component
conf_util.async_process_component_config(hass, config, domain)
File “/usr/lib/python3.6/site-packages/homeassistant/config.py”, line 607, in async_process_component_config
platform = get_platform(domain, p_name)
File “/usr/lib/python3.6/site-packages/homeassistant/loader.py”, line 104, in get_platform
return get_component(PLATFORM_FORMAT.format(domain, platform))
File “/usr/lib/python3.6/site-packages/homeassistant/loader.py”, line 142, in get_component
module = importlib.import_module(path)
File “/usr/lib/python3.6/importlib/init.py”, line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File “”, line 978, in _gcd_import
File “”, line 961, in _find_and_load
File “”, line 950, in _find_and_load_unlocked
File “”, line 655, in _load_unlocked
File “”, line 674, in exec_module
File “”, line 779, in get_code
File “”, line 487, in _compile_bytecode
MemoryError
2017-10-08 13:33:38 WARNING (SyncWorker_13) [netdisco.ssdp] Error fetching description at 192.168.1.16
2017-10-08 13:33:38 WARNING (SyncWorker_13) [netdisco.ssdp] Found malformed XML at http://192.168.1.13:9080: status=ok

please help. :wink: