Fatal error: Uncaught Error: Non-static method YahooSession::requireSession() cannot be called statically in /var/www/html/demos/yahoo_oauth/yahoo_connect.php:16
Stack trace:
#0 /var/www/html/demos/yahoo_oauth/index.php(2): include()
#1 {main}
thrown in /var/www/html/demos/yahoo_oauth/yahoo_connect.php on line 16