Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^13.1.11 -> satisfiable by phpunit/phpunit[13.1.11]. - phpunit/phpunit 13.1.11 requires php >=8.4.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires maglnet/composer-require-checker ^4.4 -> satisfiable by maglnet/composer-require-checker[4.4.0, ..., 4.24.0]. - Root composer.json requires roave/backward-compatibility-check * -> satisfiable by roave/backward-compatibility-check[1.0.0, ..., 1.1.1, 2.0.0, 2.1.0, 3.0.0, 4.0.0, ..., 4.4.0, 5.0.0, 6.0.0, ..., 6.4.0, 7.0.0, ..., 7.4.0, 8.0.0, ..., 8.21.0]. - composer/composer 2.9.8 requires symfony/console ^5.4.47 || ^6.4.25 || ^7.1.10 || ^8.0 -> satisfiable by symfony/console[v5.4.47, v6.4.25, ..., v6.4.39, v7.1.10, ..., v7.4.11, v8.0.0, ..., v8.0.11]. - maglnet/composer-require-checker[4.8.0, ..., 4.11.0] require php ~8.2.0 || ~8.3.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[8.7.0, ..., 8.11.0] require php ~8.2.0 || ~8.3.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker[4.12.0, ..., 4.16.1] require php ~8.2.0 || ~8.3.0 || ~8.4.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[8.12.0, ..., 8.14.0] require php ~8.2.0 || ~8.3.0 || ~8.4.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker[4.17.0, ..., 4.18.0] require php ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker[4.19.0, ..., 4.20.0] require php ~8.3.0 || ~8.4.0 || ~8.5.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[8.16.0, ..., 8.19.0] require php ~8.3.0 || ~8.4.0 || ~8.5.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker[4.21.0, ..., 4.24.0] require php ~8.4.0 || ~8.5.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[8.20.0, ..., 8.21.0] require php ~8.4.0 || ~8.5.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker 4.4.0 requires symfony/console ^6.0.0 -> satisfiable by symfony/console[v6.0.0, ..., v6.4.39]. - maglnet/composer-require-checker[4.5.0, ..., 4.6.0] require php ~8.1.0 || ~8.2.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[7.2.0, ..., 7.4.0, 8.0.0, ..., 8.3.0] require php ~8.1.0 || ~8.2.0 -> your php version (8.0.30) does not satisfy that requirement. - maglnet/composer-require-checker[4.7.0, ..., 4.7.1] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[8.4.0, ..., 8.6.0] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[1.0.0, ..., 1.1.1, 2.0.0, ..., 2.1.0, 3.0.0] require php ^7.2 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[4.0.0, ..., 4.4.0] require php ^7.3 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check 5.0.0 requires php ^7.4.7 -> your php version (8.0.30) does not satisfy that requirement. - roave/backward-compatibility-check[6.0.0, ..., 6.0.1] require symfony/console ^5.4.1 -> satisfiable by symfony/console[v5.4.1, ..., v5.4.47]. - roave/backward-compatibility-check[6.1.0, ..., 6.1.1] require symfony/console ^5.4.2 -> satisfiable by symfony/console[v5.4.2, ..., v5.4.47]. - roave/backward-compatibility-check[6.2.0, ..., 6.4.0] require symfony/console ^5.4.5 -> satisfiable by symfony/console[v5.4.5, ..., v5.4.47]. - roave/backward-compatibility-check 7.0.0 requires composer/composer