Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires hyva-themes/magento2-theme-module ^1.3.11 -> satisfiable by hyva-themes/magento2-theme-module[1.3.11, ..., 1.3.16]. - hyva-themes/magento2-theme-module[1.3.11, ..., 1.3.16] require hyva-themes/magento2-mollie-theme-bundle ^1.0.1 -> could not be found in any version, there may be a typo in the package name. Problem 2 - Root composer.json requires hyva-themes/magento2-hyva-checkout ^1.3 -> satisfiable by hyva-themes/magento2-hyva-checkout[1.3.0, ..., 1.3.4]. - hyva-themes/magento2-hyva-checkout[1.3.0, ..., 1.3.4] require hyva-themes/magento2-theme-module ^1.3.11 -> satisfiable by hyva-themes/magento2-theme-module[1.3.11, ..., 1.3.16]. - hyva-themes/magento2-theme-module[1.3.11, ..., 1.3.16] require hyva-themes/magento2-mollie-theme-bundle ^1.0.1 -> could not be found in any version, there may be a typo in the package name. Potential causes: - A typo in the package name - The package is not available in a stable-enough version according to your minimum-stability setting see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details. - It's a private package and you forgot to add a custom repository to find it Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.