Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires silverstripe/installer 5.3.x-dev -> satisfiable by silverstripe/installer[5.3.x-dev]. - silverstripe/installer 5.3.x-dev requires silverstripe/recipe-cms 5.3.x-dev -> satisfiable by silverstripe/recipe-cms[5.3.x-dev]. - silverstripe/recipe-cms 5.3.x-dev requires silverstripe/recipe-core 5.3.x-dev -> satisfiable by silverstripe/recipe-core[5.3.x-dev]. - silverstripe/recipe-core 5.3.x-dev requires silverstripe/framework 5.3.x-dev -> found silverstripe/framework[5.3.x-dev] but it conflicts with your root composer.json require (^5.4).

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires silverstripe/installer 5.2.x-dev -> satisfiable by silverstripe/installer[5.2.x-dev]. - silverstripe/installer 5.2.x-dev requires silverstripe/recipe-cms 5.2.x-dev -> satisfiable by silverstripe/recipe-cms[5.2.x-dev]. - silverstripe/recipe-cms 5.2.x-dev requires silverstripe/recipe-core 5.2.x-dev -> satisfiable by silverstripe/recipe-core[5.2.x-dev]. - silverstripe/recipe-core 5.2.x-dev requires silverstripe/framework 5.2.x-dev -> found silverstripe/framework[5.2.x-dev] but it conflicts with your root composer.json require (^5.4).

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires silverstripe/installer 5.1.x-dev -> satisfiable by silverstripe/installer[5.1.x-dev]. - silverstripe/installer 5.1.x-dev requires silverstripe/recipe-cms 5.1.x-dev -> satisfiable by silverstripe/recipe-cms[5.1.x-dev]. - silverstripe/recipe-cms 5.1.x-dev requires silverstripe/admin 2.1.x-dev -> found silverstripe/admin[2.1.x-dev] but it conflicts with your root composer.json require (^2.2).