Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nunomaduro/phpinsights * -> satisfiable by nunomaduro/phpinsights[dev-master]. - nunomaduro/phpinsights dev-master requires symfony/console ^5.4|^6.4|^7.0 -> found symfony/console[v5.4.0-BETA1, ..., 5.4.x-dev, v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.3.x-dev] but it conflicts with your root composer.json require (6.0.*).