Your requirements could not be resolved to an installable set of packages. Problem 1 - Conclusion: don't install doctrine/doctrine-bundle 2.11.0 (conflict analysis result) - Conclusion: don't install doctrine/doctrine-bundle 2.9.0 (conflict analysis result) - Conclusion: don't install doctrine/doctrine-bundle 2.8.3 (conflict analysis result) - Conclusion: don't install doctrine/doctrine-bundle 2.8.0 (conflict analysis result) - Conclusion: don't install doctrine/doctrine-bundle 2.7.1 (conflict analysis result) - symfony/http-kernel[v6.4.0, ..., v6.4.6] require symfony/error-handler ^6.4|^7.0 -> found symfony/error-handler[v6.4.0, v6.4.3, v6.4.4, v6.4.6, v7.0.0, v7.0.3, v7.0.4, v7.0.6] but these were not loaded, likely because it conflicts with another require. - symfony/http-kernel[v7.0.0, ..., v7.0.6] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. - Root composer.json requires doctrine/doctrine-bundle ^2.7.1 -> satisfiable by doctrine/doctrine-bundle[2.7.1, ..., 2.12.0]. - Conclusion: don't install symfony/http-kernel v5.4.0 (conflict analysis result) - doctrine/doctrine-bundle[2.11.2, ..., 2.12.0] require symfony/doctrine-bridge ^5.4.19 || ^6.0.7 || ^7.0 -> satisfiable by symfony/doctrine-bridge[v6.4.0, ..., v6.4.6]. - symfony/doctrine-bridge[v6.4.0, ..., v6.4.6] conflict with symfony/http-kernel <6.2. - Root composer.json requires symfony/http-kernel ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/http-kernel[v5.4.0, ..., v5.4.38, v6.4.0, ..., v6.4.6, v7.0.0, ..., v7.0.6].