Edit file File name : composer.json Content :{ "name": "psr/http-message", "description": "Common interface for HTTP messages", "keywords": ["psr", "psr-7", "http", "http-message", "request", "response"], "homepage": "https://github.com/php-fig/http-message", "license": "MIT", "authors": [ { "name": "PHP-FIG", "homepage": "http://www.php-fig.org/" } ], "require": { "php": "^7.2 || ^8.0" }, "autoload": { "psr-4": { "Psr\\Http\\Message\\": "src/" } }, "extra": { "branch-alias": { "dev-master": "1.1.x-dev" } } } Save