Hi there Alex,

In order to further troubleshoot the error, you need to connect to your server either via SSH or the web console. You can follow the steps on how to do that here:

• https://www.digitalocean.com/docs/droplets/resources/console/

Once you’ve connected to the server, you can follow the steps here on how to troubleshoot common Nginx problems here:

• https://www.digitalocean.com/community/questions/how-to-troubleshoot-common-nginx-issues-on-linux-server

Let me know if you have any questions.
Regards,
Bobby