2018

 
Google Photos Refresh Token invalid. Please authenticate from Photonic → Authentication.
Error encountered during authentication: 
{
  "error": "invalid_grant",
  "error_description": "Bad Request"
}
See here for documentation.

 

2017

 
Google Photos Refresh Token invalid. Please authenticate from Photonic → Authentication.
Error encountered during authentication: 
{
  "error": "invalid_grant",
  "error_description": "Bad Request"
}
See here for documentation.