Botfront Error while import

[sarvajeethaldar]

Describe the bug
Here is the report:

Version: 0.27.5
Path: /project/bf/dialogue
Info:
TypeError: Cannot read property 'type' of undefined
    in TypeError: Cannot read property 'type' of undefined
    in     at eval (/imports/ui/components/stories/StoryGroupTree.jsx:1:1101)
    in ForwardRef
    in f
    in div
    in div
    in t
    in div
    in t
    in f
    in P
    in ForwardRef
    in ForwardRef
    in withRouter(Component)
    in Connect(withRouter(Component))
    in Suspense
    in d
    in div
    in Unknown
    in div
    in t
    in div
    in t
    in div
    in div
    in z
    in ForwardRef
    in ForwardRef
    in Connect(Component)
    in c
    in Unknown
    in RouterContext
    in Router
    in o
    in c
    in t
    in DocumentTitle
    in SideEffect(DocumentTitle)
    in $

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.