Your requirements could not be resolved to an installable set of packages.
Problem 1
– slim/psr7[0.1.0, …, 0.6] require php ^7.1 -> your php version (8.0.30) does not satisfy that requirement.
– slim/psr7[1.0.0, …, 1.2.0] require php ^7.2 -> your php version (8.0.30) does not satisfy that requirement.
– slim/psr7[1.3.0, …, 1.6.1] require psr/http-message ^1.0 -> found psr/http-message[1.0, 1.0.1, 1.1] but the package is fixed to 2.0 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command.
– Root composer.json requires slim/psr7 * -> satisfiable by slim/psr7[0.1.0, …, 0.6, 1.0.0, …, 1.6.1].
Use the option –with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.
You can also try re-running composer require with an explicit version constraint, e.g. “composer require slim/psr7:*” to figure out if any version is installable, or “composer require slim/psr7:^2.1” if you know which you need.
Installation failed, reverting ./composer.json and ./composer.lock to their original content.
it happen when i type “composer require slim/psr7” in cmd vs code terminal .