Error because data structure has changed?

Why would I be getting this error:

I have an action to add a new row to another table (Upload to Gallery). When I click on the action button, everything works fine. But when I try attach the button to the behavior of my form using:

I get the error.

Here is my table:

I would send this to support@appsheet.com

1 Like

Regenerate table structure?

1 Like

Already tried that.

Please contact support@appsheet.com for help with this.