Google Backup Unable to reach Hassio supervisor Error

I had to do a fresh install of my flash card for Home Assistant and I noticed some errors coming from Google Backup log, can anyone help?

07-28 07:53:04 CRITICAL Unable to reach Hassio supervisor.
07-28 07:53:04 CRITICAL
Traceback (most recent call last):
File “/app/backup/”, line 56, in main
File “/app/backup/”, line 222, in init
File “/app/backup/”, line 225, in _refreshInfo
self.self_info = self.harequests.selfInfo()
File “/app/backup/”, line 68, in selfInfo
return self._getHassioData(self.config.get(Setting.HASSIO_URL) + “addons/self/info”)
File “/app/backup/”, line 130, in _getHassioData
return self._validateHassioReply(self._client.get(url, headers=self._getHassioHeaders()))
File “/app/backup/”, line 96, in _validateHassioReply
File “/usr/lib/python3.6/site-packages/requests/”, line 940, in raise_for_status
raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 403 Client Error: Forbidden for url: http://hassio/addons/self/info