Error when deploying on digital ocean

I am trying to deploy it on Digital ocean, these are logs iam getting

[2021-10-27 13:27:57] FetchError: request to https://sub-backend-2-fzf6e.ondigitalocean.app/admin failed, reason: getaddrinfo ENOTFOUND sub-backend-2-fzf6e.ondigitalocean.app
[2021-10-27 13:27:57] at ClientRequest. (/workspace/node_modules/node-fetch/lib/index.js:1461:11)
[2021-10-27 13:27:57] at ClientRequest.emit (events.js:400:28)
[2021-10-27 13:27:57] at TLSSocket.socketErrorListener (_http_client.js:475:9)
[2021-10-27 13:27:57] at TLSSocket.emit (events.js:400:28)
[2021-10-27 13:27:57] at emitErrorNT (internal/streams/destroy.js:106:8)
[2021-10-27 13:27:57] at emitErrorCloseNT (internal/streams/destroy.js:74:3)
[2021-10-27 13:27:57] at processTicksAndRejections (internal/process/task_queues.js:82:21) {
[2021-10-27 13:27:57] type: ‘system’,
[2021-10-27 13:27:57] errno: ‘ENOTFOUND’,
[2021-10-27 13:27:57] code: ‘ENOTFOUND’
[2021-10-27 13:27:57] }

There are no DNS Records for this domain, I would suggest talking to DigitalOcean

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