Fatal error: Uncaught Error: Interface "Rumenx\PhpChatbot\Contracts\AiModelInterface" not found in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/src/Models/DefaultAiModel.php:19 Stack trace: #0 {main} thrown in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/src/Models/DefaultAiModel.php on line 19