Cannot read properties of null (reading 'body')

[dacevedo12]

https://cdn.announcekit.app/widget-v2.js at line 1, col 34923

[dacevedo12]

Also related null is not an object (evaluating 'this.boosterFrame.frame.contentDocument.body')

[yejiyang]

I experienced the same issue, which might stop me from using Announcekit. Can someone look at this issue?