Can not preview my frame?

Hey everyone, I am new to Figma and I have just started designing my site, I have selected the frame of my project but I cannot preview. I have screen shot the notice that comes on. Can anyone shed some light onto this please?

Hey Hayley, welcome to Figma Community!
Can you please share a quick screenshot or video recording when you intend to do it?
You should be able to Preview or Present, please make sure that your design is within the Frame.

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