Errors When Installing a Certificate Using Certbot

Hi, I am using Certbot to install an SSL certificate for my new site. I run the command below:

 sudo /usr/local/bin/certbot-auto --nginx

And I get the errors listed below:

E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/python2.7_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/o/openssl/libssl-dev_1.1.1-1ubuntu2.2_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1-1ubuntu2.2_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/libpython2.7-stdlib_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/python2.7-minimal_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/libpython2.7-minimal_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/o/openssl/openssl_1.1.1-1ubuntu2.2_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/a/augeas/augeas-lenses_1.10.1-2_all.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/a/augeas/libaugeas0_1.10.1-2_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/libpython2.7_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/libpython2.7-dev_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python-defaults/libpython2-dev_2.7.15-3_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python-defaults/libpython-dev_2.7.15-3_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python2.7/python2.7-dev_2.7.16-2~18.10_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python-defaults/python2-dev_2.7.15-3_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python-defaults/python-dev_2.7.15-3_amd64.deb  404  Not Found [IP: 104.24.116.209 80]
E: Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/p/python-setuptools/python-pkg-resources_40.2.0-1_all.deb  404  Not Found [IP: 104.24.116.209 80]

It looks like it might be an issue with Digital Ocean. Please can someone look into it.