Sd-dreambooth-library error: "text-to-image is not a valid pipeline"

I’m a complete beginner. I created a model using dreambooth and the results were very good IMO, so I decided to share it in the Stable Diffusion Dreambooth Concepts Library.
So I uploaded the .ckpt file in the “Files and versions” and edited the model card to showcase some examples.

But how can I make the little demo in the right side of the page work? Is it something a complete beginner can do, or sould I just forget about it for now?
I only get the message: text-to-image is not a valid pipeline

This is the url to my model: