Your requirements could not be resolved to an installable set of packages. Problem 1 - laminas/laminas-stdlib 2.7.7 requires php ^5.5 || ^7.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-stdlib[2.7.8, ..., 2.7.9] require php ^5.6 || ^7.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-stdlib[3.15.0, ..., 3.16.1] require php ~8.0.0 || ~8.1.0 || ~8.2.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-stdlib 3.17.0 requires php ~8.1.0 || ~8.2.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-stdlib[3.18.0, ..., 3.19.0] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - Root composer.json requires laminas/laminas-stdlib ^2.7.7 || ^3.15.0 -> satisfiable by laminas/laminas-stdlib[2.7.7, 2.7.8, 2.7.9, 3.15.0, ..., 3.19.0].