Fatal error: Uncaught Error: Interface "Psr\Log\LoggerInterface" not found in /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/vendor/monolog/monolog/src/Monolog/Logger.php:27 Stack trace: #0 /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/vendor/composer/ClassLoader.php(444): include() #1 /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/data03/virt732...') #2 /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/engine/bin/classes.php(61): Composer\Autoload\ClassLoader->loadClass('Monolog\\Logger') #3 /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/index.php(16): require('/data03/virt732...') #4 {main} thrown in /data03/virt73278/domeenid/www.valgapk.edu.ee/htdocs/vendor/monolog/monolog/src/Monolog/Logger.php on line 27