Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - brianium/paratest is locked to version v7.2.2 and an update of this package was not requested. - brianium/paratest v7.2.2 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 2 - nette/utils is locked to version v4.0.0 and an update of this package was not requested. - nette/utils v4.0.0 requires php >=8.0 <8.3 -> your php version (8.3.0) does not satisfy that requirement. Problem 3 - phar-io/manifest is locked to version 2.0.3 and an update of this package was not requested. - phar-io/manifest 2.0.3 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 4 - phpunit/php-code-coverage is locked to version 10.1.2 and an update of this package was not requested. - phpunit/php-code-coverage 10.1.2 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 5 - phpunit/phpunit is locked to version 10.2.3 and an update of this package was not requested. - phpunit/phpunit 10.2.3 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 6 - sebastian/comparator is locked to version 5.0.0 and an update of this package was not requested. - sebastian/comparator 5.0.0 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 7 - theseer/tokenizer is locked to version 1.2.1 and an update of this package was not requested. - theseer/tokenizer 1.2.1 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. Problem 8 - brianium/paratest v7.2.2 requires ext-dom * -> it is missing from your system. Install or enable PHP's dom extension. - pestphp/pest v2.8.2 requires brianium/paratest ^7.2.2 -> satisfiable by brianium/paratest[v7.2.2]. - pestphp/pest is locked to version v2.8.2 and an update of this package was not requested. To enable extensions, verify that they are enabled in your .ini files: - /etc/php/8.3/cli/php.ini - /etc/php/8.3/cli/conf.d/10-opcache.ini - /etc/php/8.3/cli/conf.d/10-pdo.ini - /etc/php/8.3/cli/conf.d/20-calendar.ini - /etc/php/8.3/cli/conf.d/20-ctype.ini - /etc/php/8.3/cli/conf.d/20-exif.ini - /etc/php/8.3/cli/conf.d/20-ffi.ini - /etc/php/8.3/cli/conf.d/20-fileinfo.ini - /etc/php/8.3/cli/conf.d/20-ftp.ini - /etc/php/8.3/cli/conf.d/20-gettext.ini - /etc/php/8.3/cli/conf.d/20-iconv.ini - /etc/php/8.3/cli/conf.d/20-pcov.ini - /etc/php/8.3/cli/conf.d/20-phar.ini - /etc/php/8.3/cli/conf.d/20-posix.ini - /etc/php/8.3/cli/conf.d/20-readline.ini - /etc/php/8.3/cli/conf.d/20-shmop.ini - /etc/php/8.3/cli/conf.d/20-sockets.ini - /etc/php/8.3/cli/conf.d/20-sysvmsg.ini - /etc/php/8.3/cli/conf.d/20-sysvsem.ini - /etc/php/8.3/cli/conf.d/20-sysvshm.ini - /etc/php/8.3/cli/conf.d/20-tokenizer.ini You can also run `php --ini` in a terminal to see which files are used by PHP in CLI mode. Alternatively, you can run Composer with `--ignore-platform-req=ext-dom --ignore-platform-req=ext-dom --ignore-platform-req=ext-dom --ignore-platform-req=ext-dom --ignore-platform-req=ext-dom --ignore-platform-req=ext-dom --ignore-platform-req=ext-dom` to temporarily ignore these required extensions.