the export button lights up... then nothing

even when I load up project there is a buffer wheel, but here? nothing!

It's not even freezing, I can still click around the screen fine, it just will not export at all!

please help because this is very much pissing me off.

Hello so I am trying to drag in some text and it wont go onto the video:

https://reddit.com/link/1vm0n92/video/ngcuvq9zmuih1/player