Error install

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{ "message": "Class \"Composer\Util\Http\ProxyHelper\" not found", "exception": "Error", "file": "/public_html/vendor/composer/composer/src/Composer/Util/Http/ProxyManager.php", "line": 131, "trace": [ { "file": "/public_html/vendor/composer/composer/src/Composer/Util/Http/ProxyManager.php", "line": 55, "function": "initProxyData", "class": "Composer\Util\Http\ProxyManager", "type": "->" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Util/Http/ProxyManager.php", "line": 61, "function": "construct", "class": "Composer\Util\Http\ProxyManager", "type": "->" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Util/Http/CurlDownloader.php", "line": 119, "function": "getInstance", "class": "Composer\Util\Http\ProxyManager", "type": "::" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Util/HttpDownloader.php", "line": 86, "function": "construct", "class": "Composer\Util\Http\CurlDownloader", "type": "->" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Factory.php", "line": 668, "function": "construct", "class": "Composer\Util\HttpDownloader", "type": "->" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Factory.php", "line": 365, "function": "createHttpDownloader", "class": "Composer\Factory", "type": "::" }, { "file": "/public_html/vendor/composer/composer/src/Composer/Factory.php", "line": 629, "function": "createComposer", "class": "Composer\Factory", "type": "->" }, { "file": "/public_html/vendor/october/rain/src/Composer/Manager.php", "line": 284, "function": "create", "class": "Composer\Factory", "type": "::" }, { "file": "/public_html/vendor/october/rain/src/Composer/Manager.php", "line": 80, "function": "makeComposer", "class": "October\Rain\Composer\Manager", "type": "->" }, { "file": "/public_html/install_files/php/Installer.php", "line": 218, "function": "require", "class": "October\Rain\Composer\Manager", "type": "->" }, { "file": "/public_html/install_files/php/InstallerHandlers.php", "line": 187, "function": "runComposerInstall", "class": "Installer", "type": "->" }, { "file": "/public_html/install_files/php/Installer.php", "line": 47, "function": "onInstallStep", "class": "Installer", "type": "->" }, { "file": "/public_html/install_files/php/boot.php", "line": 87, "function": "construct", "class": "Installer", "type": "->" }, { "file": "/public_html/install.php", "line": 1, "function": "include" } ] }

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I confirmed the installer is currently functional.

You may need to provide more details about your environment. Operating system, PHP version, etc.

[Eeesbk]

Hosting sprinthost.ru PHP 8.0 / 8.3

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Does it happen with both PHP 8.0 and PHP 8.3?

[Eeesbk]

ДА

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Please contact the helpdesk about this issue. Here is the link: https://octobercms.com/contact