Getting a UnhandledPromiseRejectionWarning after I install the addon

[seanchatman]

413 ◯ ngx new
__ __
_ _ __ \ ./ / ____ ____ ____ _ _ ____ ___
| ' / ` |> < |--< [] | |-: |=== |
|||_, //°_\ ENTERPRISE APP STARTER -~*=>
|___/ v1.6.1

(node:15254) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): TypeError: Cannot read property 'addon-firebase' of undefined

[sinedied]

Sorry for the delay, but I cannot reproduce the issue.
Can you provide me the node, npm and ngx-rocket version you are using along with your operating system?

Thanks