Cannot read properties of undefined (reading 'focus')

[ginagr]

I'm submitting a ...

[x ] bug report => search github for a similar issue or PR before submitting
[ ] feature request
[ ] support request => Please do not submit support request here, post on Stackoverflow or Gitter

Current behavior
Sometimes when closing the modal I get a TypeError in the console. It doesn't crash and the modal hides itself successfully, but ideally there would be no error message.

Expected behavior
Modal hides without error message

Reproduction of the problem

What is the motivation / use case for changing the behavior?
No error message

Please tell us about your environment:
Angular/Typescript project

• Smart Modal version: 0.8.x
  7.4.1

• Angular version: 2.0.x
  14.2.7

• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]
  all

• Language: [all | TypeScript X.X | ES6/7 | ES5]
  all

[ginagr]

Also sometimes this error pops up as well