Form Selector on Page is not working

One published form and then trying to select that form on a new page to generate the shortcode to paste onto the page. No forms show up on the Custom Forms tab. To be clear this is in wp-admin on a new page on a site running WordPress 5.2.1.

• This topic was modified 5 years, 6 months ago by Luke Cavanagh. Reason: clarify wording