Fatal error: Uncaught Error: Call to undefined method AI\AI::userId() in /home/carkomak/public_html/classes/AI.php:21 Stack trace: #0 /home/carkomak/public_html/require.php(136): AI\AI->__construct() #1 /home/carkomak/public_html/index.php(2): require('/home/carkomak/...') #2 {main} thrown in /home/carkomak/public_html/classes/AI.php on line 21