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/cms 5.3.x-dev -> found silverstripe/cms[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/cms 5.2.x-dev -> found silverstripe/cms[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/cms 5.1.x-dev -> found silverstripe/cms[5.1.x-dev] but it conflicts with your root composer.json require (^5.4).