I am using Google Login hybrid flow to authenticate users but I have a strange bug : when users are signed out (authResult[\'error\'] == \'user_signed_out\'), the <
This isn't exactly an answer, but whenever I use Chrome this error occurs, but as soon as I switched to Safari it went away. I realize this may not help the OP, but just in case anyone else happens to stumble across this thread, try using a different browser. It worked for me.