Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/mongodb-odm ^2.2 -> satisfiable by doctrine/mongodb-odm[2.2.0, ..., 2.9.0]. - doctrine/mongodb-odm[2.2.0, ..., 2.4.3] require ext-mongodb ^1.5 -> it is missing from your system. Install or enable PHP's mongodb extension. Alternatively you can require one of these packages that provide the extension (or parts of it): - soyuka/stubs-mongodb ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - gepur-it/report-bundle Gepur ERP Report generation bundle - malith124/stubs-mongodb-11 ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - devture/nagadmin Web-configurator and frontend for Nagios - svk/yc-mongodb-injector Интеграция драйвера mongodb для php 7.4.4 в Cloud Functions Яндекс.Об� - doctrine/mongodb-odm[2.5.0, ..., 2.7.1] require ext-mongodb ^1.11 -> it is missing from your system. Install or enable PHP's mongodb extension. Alternatively you can require one of these packages that provide the extension (or parts of it): - soyuka/stubs-mongodb ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - gepur-it/report-bundle Gepur ERP Report generation bundle - malith124/stubs-mongodb-11 ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - devture/nagadmin Web-configurator and frontend for Nagios - svk/yc-mongodb-injector Интеграция драйвера mongodb для php 7.4.4 в Cloud Functions Яндекс.Об� - doctrine/mongodb-odm[2.8.0, ..., 2.9.0] require ext-mongodb ^1.17 -> it is missing from your system. Install or enable PHP's mongodb extension. Alternatively you can require one of these packages that provide the extension (or parts of it): - soyuka/stubs-mongodb ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - gepur-it/report-bundle Gepur ERP Report generation bundle - malith124/stubs-mongodb-11 ext-mongodb stubs taken from https://github.com/JetBrains/phpstorm-stubs - devture/nagadmin Web-configurator and frontend for Nagios - svk/yc-mongodb-injector Интеграция драйвера mongodb для php 7.4.4 в Cloud Functions Яндекс.Об� To enable extensions, verify that they are enabled in your .ini files: - /etc/php/8.1/cli/php.ini - /etc/php/8.1/cli/conf.d/10-mysqlnd.ini - /etc/php/8.1/cli/conf.d/10-opcache.ini - /etc/php/8.1/cli/conf.d/10-pdo.ini - /etc/php/8.1/cli/conf.d/15-xml.ini - /etc/php/8.1/cli/conf.d/20-amqp.ini - /etc/php/8.1/cli/conf.d/20-apcu.ini - /etc/php/8.1/cli/conf.d/20-ast.ini - /etc/php/8.1/cli/conf.d/20-bcmath.ini - /etc/php/8.1/cli/conf.d/20-bz2.ini - /etc/php/8.1/cli/conf.d/20-calendar.ini - /etc/php/8.1/cli/conf.d/20-ctype.ini - /etc/php/8.1/cli/conf.d/20-curl.ini - /etc/php/8.1/cli/conf.d/20-dba.ini - /etc/php/8.1/cli/conf.d/20-dom.ini - /etc/php/8.1/cli/conf.d/20-enchant.ini - /etc/php/8.1/cli/conf.d/20-exif.ini - /etc/php/8.1/cli/conf.d/20-ffi.ini - /etc/php/8.1/cli/conf.d/20-fileinfo.ini - /etc/php/8.1/cli/conf.d/20-ftp.ini - /etc/php/8.1/cli/conf.d/20-gd.ini - /etc/php/8.1/cli/conf.d/20-gettext.ini - /etc/php/8.1/cli/conf.d/20-gmp.ini - /etc/php/8.1/cli/conf.d/20-iconv.ini - /etc/php/8.1/cli/conf.d/20-igbinary.ini - /etc/php/8.1/cli/conf.d/20-imagick.ini - /etc/php/8.1/cli/conf.d/20-imap.ini - /etc/php/8.1/cli/conf.d/20-intl.ini - /etc/php/8.1/cli/conf.d/20-ldap.ini - /etc/php/8.1/cli/conf.d/20-mbstring.ini - /etc/php/8.1/cli/conf.d/20-memcache.ini - /etc/php/8.1/cli/conf.d/20-msgpack.ini - /etc/php/8.1/cli/conf.d/20-mysqli.ini - /etc/php/8.1/cli/conf.d/20-oauth.ini - /etc/php/8.1/cli/conf.d/20-odbc.ini - /etc/php/8.1/cli/conf.d/20-pcov.ini - /etc/php/8.1/cli/conf.d/20-pdo_dblib.ini - /etc/php/8.1/cli/conf.d/20-pdo_firebird.ini - /etc/php/8.1/cli/conf.d/20-pdo_mysql.ini - /etc/php/8.1/cli/conf.d/20-pdo_od