Not able to Save Popup Details

Hi,

I’m facing a strange issue with the plugin. (I have latest version of plugin installed)
Whenever I’m trying to save Trigger options, it doesn’t save it but redirects to Posts Page.

Here is the Trigger popup where issue is happening –

View post on imgur.com

I’ve created a small video to recreate the issue – https://www.loom.com/share/8f692f53b8a944f9ba5c512660983365

So basically I’m not able to use the plugin at all.
Please help

The page I need help with: [log in to see the link]