Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires laminas/laminas-feed ^2.22 -> satisfiable by laminas/laminas-feed[2.22.0]. - laminas/laminas-feed 2.22.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 2 - Root composer.json requires laminas/laminas-filter ^2.34 -> satisfiable by laminas/laminas-filter[2.34.0, ..., 2.37.0]. - laminas/laminas-filter[2.34.0, ..., 2.37.0] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 3 - Root composer.json requires laminas/laminas-http ^2.19 -> satisfiable by laminas/laminas-http[2.19.0]. - laminas/laminas-http 2.19.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 4 - Root composer.json requires laminas/laminas-mvc ^3.7.0 -> satisfiable by laminas/laminas-mvc[3.7.0]. - laminas/laminas-mvc 3.7.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 5 - Root composer.json requires laminas/laminas-mvc-i18n ^1.8 -> satisfiable by laminas/laminas-mvc-i18n[1.8.0]. - laminas/laminas-mvc-i18n 1.8.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 6 - Root composer.json requires laminas/laminas-mvc-plugin-flashmessenger ^1.10.1 -> satisfiable by laminas/laminas-mvc-plugin-flashmessenger[1.10.1]. - laminas/laminas-mvc-plugin-flashmessenger 1.10.1 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 7 - Root composer.json requires laminas/laminas-navigation ^2.19.1 -> satisfiable by laminas/laminas-navigation[2.19.1]. - laminas/laminas-navigation 2.19.1 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 8 - Root composer.json requires laminas/laminas-paginator ^2.18.1 -> satisfiable by laminas/laminas-paginator[2.18.1]. - laminas/laminas-paginator 2.18.1 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 9 - Root composer.json requires laminas/laminas-permissions-acl ^2.16 -> satisfiable by laminas/laminas-permissions-acl[2.16.0]. - laminas/laminas-permissions-acl 2.16.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 10 - Root composer.json requires laminas/laminas-router ^3.13.0 -> satisfiable by laminas/laminas-router[3.13.0]. - laminas/laminas-router 3.13.0 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. Problem 11 - laminas/laminas-eventmanager 3.4.0 requires php ^7.3 || ~8.0.0 || ~8.1.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-eventmanager 3.5.0 requires php ^7.4 || ~8.0.0 || ~8.1.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-eventmanager[3.6.0, ..., 3.10.0] require php ~8.0.0 || ~8.1.0 || ~8.2.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-eventmanager 3.11.0 requires php ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0RC1) does not satisfy that requirement. - laminas/laminas-eventmanager[3.12.0, ..., 3.13.1] 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-eventmanager ^3.4 -> satisfiable by laminas/laminas-eventmanager[3.4.0, ..., 3.13.1].