As noCaptcha did not work on that theme and after changing to default theme works, it means that theme has some issue. It may not works with other plugins as well.

There are lots of theme with three column support out there.
Please go to Dashboard > Appearance > Themes > Add New
Then click “Feature Filters” and select three column. It will show all theme’s which support three columns. Install and activate which one you like.

See screenshot.