Unhandled promise rejection (rejection id: 1): TypeError: Cannot read property 'filter' of undefined

```
(node:2203) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): TypeError: Cannot read property 'filter' of undefined
(node:2203) 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.
```