Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires magento/module-backend, it could not be found in any version, there may be a typo in the package name. Problem 2 - Root composer.json requires magento/module-checkout, it could not be found in any version, there may be a typo in the package name. Problem 3 - Root composer.json requires magento/module-config, it could not be found in any version, there may be a typo in the package name. Problem 4 - Root composer.json requires magento/module-contact, it could not be found in any version, there may be a typo in the package name. Problem 5 - Root composer.json requires magento/module-customer, it could not be found in any version, there may be a typo in the package name. Problem 6 - Root composer.json requires magento/module-store, it could not be found in any version, there may be a typo in the package name. Problem 7 - Root composer.json requires magento/framework, it 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.

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