Fatal error: Uncaught Error: Interface "Psr\Log\LoggerInterface" not found in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/tests/Models/DummyLogger.php:5 Stack trace: #0 /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/tests/Models/ModelLoggerCoverageTest.php(13): require_once() #1 {main} thrown in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/tests/Models/DummyLogger.php on line 5