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php artisan vendor:publish --provider="Ferdous\OtpValidator\OtpValidatorServiceProvider"
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php artisan vendor:publish --provider="Roumen\Feed\FeedServiceProvider"
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Looks like a PHP bug that happens specifically on Windows: https://github.com/symfony/symfony/issues/34702
If you're using PHP 7.3.5 or 7.4 try updating it to PHP 7.4.1.