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Fatal error: Uncaught TypeError: Key material must be a string, resource, or OpenSSLAsymmetricKey in /var/www/html/vendor/firebase/php-jwt/src/Key.php:31 Stack trace: #0 /var/www/html/index.php(10): Firebase\JWT\Key->__construct(false, 'HS256') #1 {main} thrown in /var/www/html/vendor/firebase/php-jwt/src/Key.php on line 31