Symfony PHP : Comment résoudre ce message d'erreur : Class 'Composer\Autoload\ClassLoader' not found
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plugin development - Class cannot be found, but it's available in the file, I get: Fatal Error: Uncaught Error: Class 'Blocks\Base\Activation' not found - WordPress Development Stack Exchange
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Uncaught Error: Class "Composer\InstalledVersions" not found [phar] · Issue #7329 · vimeo/psalm · GitHub
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