360 video not showing on preview

I simply imported my 1-minute 360 video to an interactive project and it shows up in the workspace, in a flat version. I want to preview the video to make sure it works, but when I click on preview it takes me to a blank 360 canvas. What could I be doing wrong?

Adobe Captivate: 360 photos but in INSP file – what next?

INSP file – what needs to be done to import the image to Adobe Captivate?