Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires matthiasnoback/symfony-config-test ^4.2 || ^5.0 -> satisfiable by matthiasnoback/symfony-config-test[4.2.0, 4.2.1, 4.3.0, v5.0.0, v5.1.0, v5.2.0]. - matthiasnoback/symfony-config-test 4.2.0 requires php ^7.1 -> your php version (8.4.17) does not satisfy that requirement. - matthiasnoback/symfony-config-test 4.2.1 requires symfony/config ^2.7 || ^3.4 || ^4.0 || ^5.0 -> found symfony/config[v2.7.0, ..., v2.8.52, v3.4.0, ..., v3.4.47, v4.0.0, ..., v4.4.44, v5.0.0, ..., v5.4.46] but these were not loaded, likely because it conflicts with another require. - matthiasnoback/symfony-config-test 4.3.0 requires symfony/config ^4.4 || ^5.3 || ^6.0 -> found symfony/config[v4.4.0, ..., v4.4.44, v5.3.0, ..., v5.4.46, v6.0.0, ..., v6.4.32] but these were not loaded, likely because it conflicts with another require. - matthiasnoback/symfony-config-test v5.0.0 requires symfony/config ^5.4 || ^6.2 -> found symfony/config[v5.4.0, ..., v5.4.46, v6.2.0, ..., v6.4.32] but these were not loaded, likely because it conflicts with another require. - matthiasnoback/symfony-config-test[v5.1.0, ..., v5.2.0] require symfony/config ^5.4 || ^6.2 || ^7.0 -> found symfony/config[v5.4.0, ..., v5.4.46, v6.2.0, ..., v6.4.32, v7.0.0, ..., v7.4.4] but these were not loaded, likely because it conflicts with another require.