UnhandledPromiseRejection error


I am trying to follow this tutorial Creating an Express JavaScript application with Contentful .

In package.json I changed the Content Delivery API access token and Space ID to reflect the ones from my dashboard.

When I run npm run dev and attempt to visit localhost:3000 I get the error:

[nodemon] starting `node ./bin/www`
(node:11274) UnhandledPromiseRejectionWarning: #<Object>
(node:11274) 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)

I have currently got:

Contentful 0.26.4
Node v12.1.0

And I have tried Node 6.17.1 and that threw the same issue.

Can anyone help? :slight_smile: