Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires simplesamlphp/simplesamlphp dev-saml2v5_metadata -> satisfiable by simplesamlphp/simplesamlphp[dev-saml2v5_metadata]. - simplesamlphp/simplesamlphp dev-saml2v5_metadata requires simplesamlphp/simplesamlphp-module-adfs ^2.1 -> satisfiable by simplesamlphp/simplesamlphp-module-adfs[v2.1.0, ..., v2.1.4] from composer repo (https://repo.packagist.org) but simplesamlphp/simplesamlphp-module-adfs 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 simplesamlphp/ws-security ^1.0 -> satisfiable by simplesamlphp/ws-security[v1.0.0, v1.0.1]. - simplesamlphp/ws-security[v1.0.0, ..., v1.0.1] require simplesamlphp/saml2 ^5@dev -> found simplesamlphp/saml2[v5.0.0-alpha.1, ..., v5.0.0-alpha.14] but it does not match your minimum-stability.

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires simplesamlphp/simplesamlphp dev-saml2v5_metadata -> satisfiable by simplesamlphp/simplesamlphp[dev-saml2v5_metadata]. - simplesamlphp/simplesamlphp dev-saml2v5_metadata requires simplesamlphp/simplesamlphp-module-adfs ^2.1 -> satisfiable by simplesamlphp/simplesamlphp-module-adfs[v2.1.0, ..., v2.1.4] from composer repo (https://repo.packagist.org) but simplesamlphp/simplesamlphp-module-adfs 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 simplesamlphp/ws-security ^1.0 -> satisfiable by simplesamlphp/ws-security[v1.0.0, v1.0.1]. - simplesamlphp/ws-security[v1.0.0, ..., v1.0.1] require simplesamlphp/saml2 ^5@dev -> found simplesamlphp/saml2[v5.0.0-alpha.1, ..., v5.0.0-alpha.14] but it does not match your minimum-stability.