Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires laminas/laminas-cli ^1.10 -> satisfiable by laminas/laminas-cli[1.10.0]. - laminas/laminas-cli 1.10.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 2 - laminas/laminas-form 3.21.0 requires laminas/laminas-hydrator ^4.13.0 -> satisfiable by laminas/laminas-hydrator[4.13.0, 4.14.0, 4.15.0]. - laminas/laminas-form[3.19.0, ..., 3.20.1] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-hydrator 4.15.0 require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-hydrator 4.13.0 requires php ~8.0.0 || ~8.1.0 || ~8.2.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-hydrator 4.14.0 requires php ~8.1.0 || ~8.2.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - Root composer.json requires laminas/laminas-form ^3.19 -> satisfiable by laminas/laminas-form[3.19.0, ..., 3.21.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.