Shortcode for 9 images not working

Hi,

I’m using the following short code:

[wpinstagram_images username=”@youusername” show=9 show_description=0 image_size=”55×55″]

The first 6 images show fine but the next 3 are broken links.

What do I need to do differently?

https://www.ads-software.com/plugins/wpinstagram-images-widget/