Hello –
I am receiving a PHP Fatal error that appears to be interfering with another plugin – Simple History and breaking my site functionality.
Below is the error from the error log. I am hosting with WordPress.com Business hosting and we troubleshot the error and narrowed it down to the wpDiscuz plugin.
PHP Fatal error: Uncaught ArgumentCountError: Too few arguments to function wpdFormAttr\Login\SocialLogin::userAvatar(), 5 passed in /wordpress/core/5.1.1/wp-includes/class-wp-hook.php on line 286 and exactly 6 expected in /wpcom-147113777/wp-content/plugins/wpdiscuz/forms/wpdFormAttr/Login/SocialLogin.php:506
I opened a support ticket with Simple History (https://wordpress.org/support/topic/error-500-wordpress-business-hosting/) but I do not believe that is the root cause of the issue since the PHP error above points to your plugin. Any help is appreciated!