How to add Banner slider in kodular app??

Hello guys,
I make a app but there was a problem with my banner slider. I use deep host’s banner slider extension but i can’t show airtable data in banner slider. Every time i check for it. It’s showing that:
There was no method in get colum. Please anyone know? How to show banner image from airtable to my app.:pensive:

Advance :pray: thanks :heart:

I think you forgot to publish your blocks