Getting this to run issue and deploying with zeit question/issue

I got this to deploy, however it's acting strange,
it's starting to build okay, but gives me an error

```sh
(node:116) UnhandledPromiseRejectionWarning: OpenError: IO error: /home/nowuser/src/src/helpers/blacklistUsersDb/LOCK: No such file or directory
at /home/nowuser/src/node_modules/levelup/lib/levelup.js:91:23
at /home/nowuser/src/node_modules/abstract-leveldown/abstract-leveldown.js:41:14
at /home/nowuser/src/node_modules/deferred-leveldown/deferred-leveldown.js:20:21
at /home/nowuser/src/node_modules/abstract-leveldown/abstract-leveldown.js:41:14
at /home/nowuser/src/node_modules/abstract-leveldown/abstract-leveldown.js:41:14
(node:116) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:116) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
No open port found. Make sure 'npm start' creates an HTTP server on a port (any).
More details: https://err.sh/now-cli/no-open-port-found
====================
TWEET COUNTER=100
====================
...
```

it seems to just loop with the tweet counter...

Any help would be appreciated!

Thanks!