Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires silverstripe/assets ^3 -> satisfiable by silverstripe/assets[3.x-dev]. - silverstripe/assets 3.x-dev requires silverstripe/framework ^6 -> satisfiable by silverstripe/framework[6.x-dev] from composer repo (https://repo.packagist.org) but silverstripe/framework 5.x-dev is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance. Problem 2 - Root composer.json requires silverstripe/template-engine ^1 -> satisfiable by silverstripe/template-engine[1.x-dev]. - silverstripe/template-engine 1.x-dev requires silverstripe/framework ^6 -> satisfiable by silverstripe/framework[6.x-dev] from composer repo (https://repo.packagist.org) but silverstripe/framework 5.x-dev is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance. Problem 3 - Root composer.json requires silverstripe/versioned ^3 -> satisfiable by silverstripe/versioned[3.x-dev]. - silverstripe/versioned 3.x-dev requires silverstripe/framework ^6 -> satisfiable by silverstripe/framework[6.x-dev] from composer repo (https://repo.packagist.org) but silverstripe/framework 5.x-dev is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance. Problem 4 - Root composer.json requires silverstripe/installer 5.x-dev -> satisfiable by silverstripe/installer[5.x-dev]. - silverstripe/installer 5.x-dev requires silverstripe/recipe-cms 5.x-dev -> satisfiable by silverstripe/recipe-cms[5.x-dev]. - silverstripe/recipe-cms 5.x-dev requires silverstripe/versioned 2.x-dev -> found silverstripe/versioned[2.x-dev] but it conflicts with your root composer.json require (^3).

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