Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires PHP extension ext-mbstring >=8.1 but it is missing from your system. Install or enable PHP's mbstring extension. Alternatively you can require one of these packages that provide the extension (or parts of it): - symfony/polyfill-mbstring Symfony polyfill for the Mbstring extension - lucifer/domain 域名和url解析器 - masteryoda101/database Symfony polyfill for the Mbstring extension - protoqol/quo-php PHP - Quo package. - symfony70/polyfill-mbstring PHP 7.0 support for: Symfony polyfill for the Mbstring extension Problem 2 - Root composer.json requires phpunit/phpunit >=9.0 <9.6 -> satisfiable by phpunit/phpunit[9.0.0, ..., 9.5.28]. - phpunit/phpunit[9.0.0, ..., 9.2.6] require php ^7.3 -> your php version (8.4.0RC3) does not satisfy that requirement. - phpunit/phpunit[9.3.0, ..., 9.5.28] require ext-mbstring * -> it is missing from your system. Install or enable PHP's mbstring extension. Alternatively you can require one of these packages that provide the extension (or parts of it): - symfony/polyfill-mbstring Symfony polyfill for the Mbstring extension - lucifer/domain 域名和url解析器 - masteryoda101/database Symfony polyfill for the Mbstring extension - protoqol/quo-php PHP - Quo package. - symfony70/polyfill-mbstring PHP 7.0 support for: Symfony polyfill for the Mbstring extension To enable extensions, verify that they are enabled in your .ini files: - /etc/php/8.4/cli/php.ini - /etc/php/8.4/cli/conf.d/10-mysqlnd.ini - /etc/php/8.4/cli/conf.d/10-opcache.ini - /etc/php/8.4/cli/conf.d/10-pdo.ini - /etc/php/8.4/cli/conf.d/15-xml.ini - /etc/php/8.4/cli/conf.d/20-amqp.ini - /etc/php/8.4/cli/conf.d/20-apcu.ini - /etc/php/8.4/cli/conf.d/20-ast.ini - /etc/php/8.4/cli/conf.d/20-bcmath.ini - /etc/php/8.4/cli/conf.d/20-bz2.ini - /etc/php/8.4/cli/conf.d/20-calendar.ini - /etc/php/8.4/cli/conf.d/20-ctype.ini - /etc/php/8.4/cli/conf.d/20-curl.ini - /etc/php/8.4/cli/conf.d/20-dba.ini - /etc/php/8.4/cli/conf.d/20-dom.ini - /etc/php/8.4/cli/conf.d/20-enchant.ini - /etc/php/8.4/cli/conf.d/20-exif.ini - /etc/php/8.4/cli/conf.d/20-ffi.ini - /etc/php/8.4/cli/conf.d/20-fileinfo.ini - /etc/php/8.4/cli/conf.d/20-ftp.ini - /etc/php/8.4/cli/conf.d/20-gd.ini - /etc/php/8.4/cli/conf.d/20-gettext.ini - /etc/php/8.4/cli/conf.d/20-gmp.ini - /etc/php/8.4/cli/conf.d/20-iconv.ini - /etc/php/8.4/cli/conf.d/20-igbinary.ini - /etc/php/8.4/cli/conf.d/20-imagick.ini - /etc/php/8.4/cli/conf.d/20-imap.ini - /etc/php/8.4/cli/conf.d/20-intl.ini - /etc/php/8.4/cli/conf.d/20-ldap.ini - /etc/php/8.4/cli/conf.d/20-mbstring.ini - /etc/php/8.4/cli/conf.d/20-memcache.ini - /etc/php/8.4/cli/conf.d/20-mongodb.ini - /etc/php/8.4/cli/conf.d/20-msgpack.ini - /etc/php/8.4/cli/conf.d/20-mysqli.ini - /etc/php/8.4/cli/conf.d/20-odbc.ini - /etc/php/8.4/cli/conf.d/20-pdo_dblib.ini - /etc/php/8.4/cli/conf.d/20-pdo_firebird.ini - /etc/php/8.4/cli/conf.d/20-pdo_mysql.ini - /etc/php/8.4/cli/conf.d/20-pdo_odbc.ini - /etc/php/8.4/cli/conf.d/20-pdo_pgsql.ini - /etc/php/8.4/cli/conf.d/20-pdo_sqlite.ini - /etc/php/8.4/cli/conf.d/20-pdo_sqlsrv.ini - /etc/php/8.4/cli/conf.d/20-pgsql.ini - /etc/php/8.4/cli/conf.d/20-phar.ini - /etc/php/8.4/cli/conf.d/20-posix.ini - /etc/php/8.4/cli/conf.d/20-readline.ini - /etc/php/8.4/cli/conf.d/20-shmop.ini - /etc/php/8.4/cli/conf.d/20-simplexml.ini - /etc/php/8.4/cli/conf.d/20-snmp.ini - /etc/php/8.4/cli/conf.d/20-soap.ini - /etc/php/8.4/cli/conf.d/20-sockets.ini - /etc/php/8.4/cli/conf.d/20-sqlite3.ini - /etc/php/8.4/cli/conf.d/20-sqlsrv.ini - /etc/php/8.4/cli/conf.d/20-sysvmsg.ini - /etc/php/8.4/cli/conf.d/20-sysvsem.ini - /etc/php/8.4/cli/conf.d/20-sysvshm.ini - /etc/php/8.4/cli/conf.d/20-tidy.ini - /etc/php/8.4/cli/conf.d/20-t

Process completed with exit code 2.

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

PHP Startup: Unable to load dynamic library 'mbstring.so' (tried: /usr/lib/php/20240924/mbstring.so (/usr/lib/php/20240924/mbstring.so: undefined symbol: php_pcre2_code_free), /usr/lib/php/20240924/mbstring.so.so (/usr/lib/php/20240924/mbstring.so.so: cannot open shared object file: No such file or directory))

PHP Startup: Unable to load dynamic library 'pgsql.so' (tried: /usr/lib/php/20240924/pgsql.so (/usr/lib/php/20240924/pgsql.so: undefined symbol: php_pcre2_match), /usr/lib/php/20240924/pgsql.so.so (/usr/lib/php/20240924/pgsql.so.so: cannot open shared object file: No such file or directory))

PHP Startup: Unable to load dynamic library 'zip.so' (tried: /usr/lib/php/20240924/zip.so (/usr/lib/php/20240924/zip.so: undefined symbol: php_pcre2_match), /usr/lib/php/20240924/zip.so.so (/usr/lib/php/20240924/zip.so.so: cannot open shared object file: No such file or directory))

PHP Startup: Unable to load dynamic library 'mbstring.so' (tried: /usr/lib/php/20240924/mbstring.so (/usr/lib/php/20240924/mbstring.so: undefined symbol: php_pcre2_code_free), /usr/lib/php/20240924/mbstring.so.so (/usr/lib/php/20240924/mbstring.so.so: cannot open shared object file: No such file or directory))

PHP Startup: Unable to load dynamic library 'pgsql.so' (tried: /usr/lib/php/20240924/pgsql.so (/usr/lib/php/20240924/pgsql.so: undefined symbol: php_pcre2_match), /usr/lib/php/20240924/pgsql.so.so (/usr/lib/php/20240924/pgsql.so.so: cannot open shared object file: No such file or directory))