Warning: require_once(/var/www/html/app/code/wse/optimonk/registration.php): Failed to open stream: Permission denied in /var/www/html/app/etc/NonComposerComponentRegistration.php on line 29

Fatal error: Uncaught Error: Failed opening required '/var/www/html/app/code/wse/optimonk/registration.php' (include_path='.:/var/www/uj.onlinepolo.hu/vendor/magento/zendframework1/library') in /var/www/html/app/etc/NonComposerComponentRegistration.php:29 Stack trace: #0 [internal function]: Magento\NonComposerComponentRegistration\{closure}() #1 /var/www/html/app/etc/NonComposerComponentRegistration.php(31): array_map() #2 /var/www/html/app/etc/NonComposerComponentRegistration.php(34): Magento\NonComposerComponentRegistration\{closure}() #3 /var/www/html/vendor/composer/autoload_real.php(41): require('...') #4 /var/www/html/vendor/composer/autoload_real.php(45): {closure}() #5 /var/www/html/vendor/autoload.php(25): ComposerAutoloaderInitdabe02d64609dd909d8625120425cd83::getLoader() #6 /var/www/html/app/autoload.php(51): include('...') #7 /var/www/html/app/bootstrap.php(44): require_once('...') #8 /var/www/html/pub/index.php(14): require('...') #9 {main} thrown in /var/www/html/app/etc/NonComposerComponentRegistration.php on line 29