Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ~8.1.0 || ~8.2.0 || ~8.3.0 but your php version (8.4.0-dev) does not satisfy that requirement. Problem 2 - azjezz/psl 2.0.3 requires php ~8.1.0 -> your php version (8.4.0-dev) does not satisfy that requirement. - azjezz/psl[2.0.4, ..., 2.7.0] require php ~8.1.0 || ~8.2.0 -> your php version (8.4.0-dev) does not satisfy that requirement. - azjezz/psl[2.8.0, ..., 2.9.0] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0-dev) does not satisfy that requirement. - Root composer.json requires azjezz/psl ^2.0.3 -> satisfiable by azjezz/psl[2.0.3, ..., 2.9.0].