Ghost Installation Error

Hi everyone!

I am new to DigitalOcean, and I am trying to install Ghost through a 1 click droplet. My domain is set up with DigitalOcean and points to the correct Nameservers as well as the right IP address, however I always receive the error below when installing. I have tried this process a few times, having destroyed and made a new droplet each time.

Here is the updated error:

One or more errors occurred.

1. ProcessError

Message: Command failed: /bin/sh -c sudo -S -p '#node-sudo-passwd#' /etc/letsencrypt/acme.sh --issue --home /etc/letsencrypt --domain saimkhan.co.uk --webroot /var/www/ghost/system/nginx-root --reloadcmd "nginx -s reload" --accountemail saim.khan2312@gmail.com
[Sat Aug 22 21:12:21 UTC 2020] saimkhan.co.uk:Verify error:No valid IP addresses found for saimkhan.co.uk
[Sat Aug 22 21:12:21 UTC 2020] Please add '--debug' or '--log' to check more details.
[Sat Aug 22 21:12:21 UTC 2020] See: https://github.com/acmesh-official/acme.sh/wiki/How-to-debug-acme.sh

[Sat Aug 22 21:12:13 UTC 2020] Create account key ok.
[Sat Aug 22 21:12:13 UTC 2020] Registering account
[Sat Aug 22 21:12:15 UTC 2020] Registered
[Sat Aug 22 21:12:15 UTC 2020] ACCOUNT_THUMBPRINT='pR2bpodwfCvJzsdSe4rDa4Da7rZ5gjeHTN32yExU0ao'
[Sat Aug 22 21:12:15 UTC 2020] Creating domain key
[Sat Aug 22 21:12:15 UTC 2020] The domain key is here: /etc/letsencrypt/saimkhan.co.uk/saimkhan.co.uk.key
[Sat Aug 22 21:12:15 UTC 2020] Single domain='saimkhan.co.uk'
[Sat Aug 22 21:12:15 UTC 2020] Getting domain auth token for each domain
[Sat Aug 22 21:12:17 UTC 2020] Getting webroot for domain='saimkhan.co.uk'
[Sat Aug 22 21:12:17 UTC 2020] Verifying: saimkhan.co.uk

Exit code: 1


Debug Information:
OS: Ubuntu, v18.04.4 LTS
Node Version: v12.18.0
Ghost Version: 3.30.2
Ghost-CLI Version: 1.14.1
Environment: production
Command: 'ghost install --auto --db=mysql --dbhost=localhost --dbname=ghost_production --dbuser=ghost --dbpass=2fa4a28cafa0304abee1ded4a903b2db4e46cead06d69bd3 --dir=/var/www/ghost --start'

Additional log info available in: /home/ghost-mgr/.ghost/logs/ghost-cli-debug-2020-08-22T21_12_44_673Z.log

Try running ghost doctor to check your system for known issues.

You can always refer to https://ghost.org/docs/api/ghost-cli/ for troubleshooting.

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For any further commands, please switch to the ghost-mgr user to manage Ghost.

sudo -i -u ghost-mgr

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Please let me know if I am doing something wrong, and if so, how to fix it!

Thanks again :)