NoneType' object has no attribute 'renewtimer' with E zoom

[samourai64]

hello
With my reolink e1 zoom i have some problem.
One give me this message

Cette erreur provient d'une intégration personnalisée

Logger: custom_components.reolink_dev
Source: custom_components/reolink_dev/base.py:414
Integration: Reolink IP camera (documentation, issues)
First occurred: 14:27:37 (248 occurrences)
Last logged: 18:34:37

Unexpected error fetching reolink.Camera Castagnary data: 'NoneType' object has no attribute 'renewtimer'
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 191, in _async_refresh
self.data = await self._async_update_data()
File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 150, in _async_update_data
return await self.update_method()
File "/config/custom_components/reolink_dev/init.py", line 97, in async_update_data
await push.renew()
File "/config/custom_components/reolink_dev/base.py", line 414, in renew
if self._sman.renewtimer <= SESSION_RENEW_THRESHOLD:
AttributeError: 'NoneType' object has no attribute 'renewtimer'

Have you an idee to correct this.
Thank