Because the date is off, you ran into issue.
Please have a look at my post here:
sudo nano /lib/systemd/system/setdatetime.service
copy/paste:
[Unit]
Description=Set local time using time server
[Service]
Type=oneshot
ExecStart=/bin/bash -c "sleep 30; /usr/bin/sudo /bin/date -s \"$(/usr/bin/curl -s --head http://google.com | grep ^Date: | sed 's/Date: //g')\""
[Install]
WantedBy=multi-user.target
ctrl+o => enter => ctrl+x
sudo chmod 644 /lib/systemd/system/setdatetime.service && sudo systemctl daemon-reload && sudo systemctl enable setdatetime.service && sudo systemctl start setdatetime.service