I checked creating a Elementor form here in our local setup and there was not such issue.
Any chance you allow me to check your site ? May be you can create a wp-admin login details for me ? I will find the issue and try fixing it. You can send the login details at dnesscarkey (ATT) gmail (dot) com .
This reply was modified 1 week, 1 day ago by Dinesh.
With version 1.8.2 I also get this error on all sites using Contact Form 7.
The form does submit correctly if I’m logged in to wp-admin, but otherwise it will not submit.
Here’s an example from one I’ve not yet disabled the plugin on: