Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/var-exporter ^7 -> satisfiable by symfony/var-exporter[v7.0.0, ..., v7.2.0]. - symfony/var-exporter[v7.0.0, ..., v7.2.0] require php >=8.2 -> your php version (8.1.31) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/framework-bundle ^5.4 || ^6.0 || ^7.0 -> satisfiable by symfony/framework-bundle[v5.4.0, ..., v5.4.45, v6.0.0, ..., v6.4.17, v7.0.0, ..., v7.2.2]. - symfony/cache[v5.2.0, ..., v5.3.14] require symfony/var-exporter ^4.4|^5.0 -> found symfony/var-exporter[v4.4.0, ..., v4.4.43, v5.0.0, ..., v5.4.45] but it conflicts with your root composer.json require (^7). - symfony/cache[v5.4.0, ..., v5.4.46] require symfony/var-exporter ^4.4|^5.0|^6.0 -> found symfony/var-exporter[v4.4.0, ..., v4.4.43, v5.0.0, ..., v5.4.45, v6.0.0, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.0.0, ..., v6.1.11] require symfony/var-exporter ^5.4|^6.0 -> found symfony/var-exporter[v5.4.0, ..., v5.4.45, v6.0.0, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.2.0, ..., v6.2.5] require symfony/var-exporter ^6.2 -> found symfony/var-exporter[v6.2.0, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/dependency-injection[v6.2.0, ..., v6.2.6] require symfony/var-exporter ^6.2 -> found symfony/var-exporter[v6.2.0, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.2.10, ..., v6.3.5] require symfony/var-exporter ^6.2.10 -> found symfony/var-exporter[v6.2.10, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/dependency-injection[v6.3.0, ..., v6.3.12] require symfony/var-exporter ^6.2.10 -> found symfony/var-exporter[v6.2.10, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.2.7, ..., v6.2.8] require symfony/var-exporter ^6.2.7 -> found symfony/var-exporter[v6.2.7, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/dependency-injection[v6.2.7, ..., v6.2.13] require symfony/var-exporter ^6.2.7 -> found symfony/var-exporter[v6.2.7, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.3.6, ..., v6.3.12] require symfony/var-exporter ^6.3.6 -> found symfony/var-exporter[v6.3.6, ..., v6.4.13] but it conflicts with your root composer.json require (^7). - symfony/cache[v6.4.0, ..., v6.4.16] require symfony/var-exporter ^6.3.6|^7.0 -> satisfiable by symfony/var-exporter[v7.0.0, ..., v7.2.0]. - symfony/dependency-injection[v6.4.0, ..., v6.4.16] require symfony/var-exporter ^6.2.10|^7.0 -> satisfiable by symfony/var-exporter[v7.0.0, ..., v7.2.0]. - symfony/dependency-injection[v7.0.0, ..., v7.2.0] require php >=8.2 -> your php version (8.1.31) does not satisfy that requirement. - symfony/framework-bundle[v7.0.0, ..., v7.2.2] require php >=8.2 -> your php version (8.1.31) does not satisfy that requirement. - symfony/var-exporter[v7.0.0, ..., v7.2.0] require php >=8.2 -> your php version (8.1.31) does not satisfy that requirement. - symfony/framework-bundle[v5.4.0, ..., v5.4.45] require symfony/cache ^5.2|^6.0 -> satisfiable by symfony/cache[v5.2.0, ..., v5.4.46, v6.0.0, ..., v6.4.16]. - symfony/framework-bundle[v6.0.0, ..., v6.1.11] require symfony/cache ^5.4|^6.0 -> satisfiable by symfony/cache[v5.4.0, ..., v5.4.46, v6.0.0, ..., v6.4.16]. - symfony/framework-bundle[v6.2.0, ..., v6.2.7] require symfony/dependency-injection ^6.2 -> satisfiable by symfony/dependency-injection[v6.2.0, ..., v6.4.16]. - symfony/framework-bundle[v6.2.8, ..., v6.2.13] require symfony/dependency-injection ^6.2.8 -> satisfiable by symfony/dependency-injection[v6.2.8, ..., v6.4.16]. - symfony/framework-bundle v6.3.0 requires symfony/dependency-injection ^6.3 -> satisfiable by symfony/dependency-injection[v6.3.0, ..., v6.4.16].