Fatal error: Uncaught Error: Class 'Composer\Command\BaseCommand' not found in /home/bienalsurweb/public_html/convocatoria2019/vendor/symfony/thanks/src/Command/ThanksCommand.php:23 Stack trace: #0 {main} thrown in /home/bienalsurweb/public_html/convocatoria2019/vendor/symfony/thanks/src/Command/ThanksCommand.php on line 23