composer require asset ne fonctionne pas

**Samix.94** · 11/03/2021, 16h45

Bonjour j'essaye actuellement de faire un composer require asset mais cela me renvoit une erreur...
Il me renvoit cette erreur:

The "https://repo.packagist.org/packages.json" file could not be downloaded:
https://repo.packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date
The "https://flex.symfony.com/versions.json" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
https://flex.symfony.com/versions.json could not be fully loaded, package information was loaded from the local cache and may be out of date
The "https://repo.packagist.org/packages.json" file could not be downloaded:
https://repo.packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date
Restricting packages listed in "symfony/symfony" to "4.4.*"
./composer.json has been updated
The "https://flex.symfony.com/aliases.json" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
https://flex.symfony.com/aliases.json could not be fully loaded, package information was loaded from the local cache and may be out of date
Loading composer repositories with package information
The "https://repo.packagist.org/packages.json" file could not be downloaded:
https://repo.packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date
Updating dependencies (including require-dev)
Restricting packages listed in "symfony/symfony" to "4.4.*"
Package operations: 1 install, 0 updates, 0 removals
- Installing symfony/asset (v4.4.13): Downloading (failed)
Downloading (failed)
Downloading (failed) Failed to download symfony/asset from dist: The "https://api.github.com/repos/symfony/asset/zipball/384d36d53771955d432f0e0bf6470f1c9e6a716f" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
Now trying to download from source

et ensuite

Installation failed, reverting ./composer.json to its original content.

mon composer.json se présente comme suit:

Code :

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{
    "type": "project",
    "license": "proprietary",
    "require": {
        "php": ">=7.1.3",
        "ext-ctype": "*",
        "ext-iconv": "*",
        "doctrine/annotations": "^1.10",
        "sensio/framework-extra-bundle": "^5.6",
        "symfony/apache-pack": "^1.0",
        "symfony/console": "4.4.*",
        "symfony/dotenv": "4.4.*",
        "symfony/flex": "^1.3.1",
        "symfony/form": "4.4.*",
        "symfony/framework-bundle": "4.4.*",
        "symfony/requirements-checker": "^2.0",
        "symfony/twig-bundle": "4.4.*",
        "symfony/yaml": "4.4.*",
        "twig/extra-bundle": "^2.12|^3.0",
        "twig/twig": "^2.12|^3.0"
    },
    "require-dev": {
        "symfony/maker-bundle": "^1.21",
        "symfony/web-server-bundle": "4.4.*"
    },
    "config": {
        "preferred-install": {
            "*": "dist"
        },
        "sort-packages": true
    },
    "autoload": {
        "psr-4": {
            "App\\": "src/"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "App\\Tests\\": "tests/"
        }
    },
    "replace": {
        "paragonie/random_compat": "2.*",
        "symfony/polyfill-ctype": "*",
         "symfony/polyfill-iconv": "*",
        "symfony/polyfill-php71": "*",
        "symfony/polyfill-php70": "*",
        "symfony/polyfill-php56": "*"
    },
    "scripts": {
        "auto-scripts": {
            "cache:clear": "symfony-cmd",
            "assets:install %PUBLIC_DIR%": "symfony-cmd",
            "requirements-checker": "script"
        },
        "post-install-cmd": [
            "@auto-scripts"
        ],
        "post-update-cmd": [
            "@auto-scripts"
        ]
    },
    "conflict": {
        "symfony/symfony": "*"
    },
    "extra": {
        "symfony": {
            "allow-contrib": true,
            "require": "4.4.*"
        }
    }
}