Fatal error: Uncaught Error: Class 'Symfony\Polyfill\Util\BinaryOnFuncOverload' not found in /home/bienalsurweb/public_html/convocatoria2021/vendor/symfony/polyfill-util/Binary.php:15 Stack trace: #0 {main} thrown in /home/bienalsurweb/public_html/convocatoria2021/vendor/symfony/polyfill-util/Binary.php on line 15