Fatal error: Uncaught Error: Interface 'PHPMailer\PHPMailer\OAuthTokenProvider' not found in /home/customer/www/nycguitarschool.com/public_html/mindBodyAPI/examples/class-schedule-example/OAuth.php:36 Stack trace: #0 /home/customer/www/nycguitarschool.com/public_html/wp-content/plugins/feed-them-social/includes/feeds/twitter/twitteroauth/twitteroauth.php(10): require_once() #1 /home/customer/www/nycguitarschool.com/public_html/wp-content/plugins/feed-them-social/class-load-plugin.php(358): include('/home/customer/...') #2 /home/customer/www/nycguitarschool.com/public_html/wp-content/plugins/feed-them-social/class-load-plugin.php(56): Feed_Them_Social->includes() #3 /home/customer/www/nycguitarschool.com/public_html/wp-content/plugins/feed-them-social/class-load-plugin.php(32): Feed_Them_Social->load_plugin() #4 /home/customer/www/nycguitarschool.com/public_html/wp-content/plugins/feed-them-social/feed-them-social.php(36): Feed_Them_Social->__construct() #5 /home/customer/www/nycguitarschool.com/public_html/wp-settings.php in /home/customer/www/nycguitarschool.com/public_html/mindBodyAPI/examples/class-schedule-example/OAuth.php on line 36