Your comments
LinkedIn is tricky because they hide all the reviews except for 2 behind a login screen. Most people will copy/paste a few of their best reviews from LinkedIn using the add review button on the Review List page in the plugin. I do plan to add LinkedIn if I can ever figure out a way to do it.
Try downloading and installing this Freemius fixer plugin. They try activating your license again.
You can exclude this file from the minification...
wp-review-slider-pro\public\js\wprev-public.min.js
If you use this URL...
And then also set the retrieval method to Alternative it should work.
It does look like Nextdoor changed a couple of things. Make sure you set the Cookie and the Page Id correctly. Here are some updated instruction videos...
https://ljapps.com/wp-content/uploads/2021/11/nextdoor_cookie_11-2-21.mp4
https://ljapps.com/wp-content/uploads/2021/11/nextdoor_pageid_11-2-21.mp4
First try clearing the cache for the page if you are using a caching plugin. Next, tTry de-activating and re-activating the plugin. If that doesn't work then try creating a new review template to test it. Something may have happened to the template.
What is the URL of the page that has the review template?
What is the TripAdvisor URL you are using?
Customer support service by UserEcho
You should be able to go to the Get Reviews > Facebook page in the plugin and download them again. Please post screenshots of any errors you are getting.