The site uses the plugin Wordpress Social Login 2.3.3
Facebook blocked the account on which the API access for the plugin was registered.
We created a clear access to the Facebook API from another account, replaced the "Application ID" and "Application Secret" in the plugin settings. When trying to log in via Facebook, the server responds:
500 Internal Server Error
Have you met this behavior? Is the error typical for this plugin? What are the options to solve the problem?