Critical error when rendering lasting Post

Hi
Good day! Not sure if this is a correct place to submit my question. I have purchased a license copy of WP Lastest Post. I am getting a critical error when viewing the post. The error message is "There has been a critical error on this website". The URL tries to open is https://test-xxx.com/title_of_post/. Wonder if you have any ideas to resolve the issue.

The website is using Wordpress Version 6.4.3, Elementor Version 3.20.0 and Redux Framework Version 6.6.18.

Any help is greatly appreciated