Package install not Working

[tasnimhafij]

These types of errors are showing during installation. What should I do?

$ composer require sagitarius29/laravel-subscriptions Using version ^7.0 for sagitarius29/laravel-subscriptions ./composer.json has been updated Running composer update sagitarius29/laravel-subscriptions Loading composer repositories with package information Updating dependencies Your requirements could not be resolved to an installable set of packages. Problem 1 - sagitarius29/laravel-subscriptions[v7.0.1-alpha, ..., v7.0.1] require illu minate/support 5.8.* -> found illuminate/support[v5.8.0, ..., 5.8.x-dev] but the se were not loaded, likely because it conflicts with another require. - Root composer.json requires sagitarius29/laravel-subscriptions ^7.0 -> sat isfiable by sagitarius29/laravel-subscriptions[v7.0.1-alpha, v7.0.1]. Installation failed, reverting ./composer.json and ./composer.lock to their orig inal content.