Fatal error: Uncaught exception 'LogicException' with message 'Run php composer.phar install at first' in /home/codifer/public_html/pruebas1/vendor/doctrine/orm/tools/sandbox/bootstrap.php:10 Stack trace: #0 /home/codifer/public_html/pruebas1/vendor/doctrine/orm/tools/sandbox/index.php(15): require_once() #1 {main} thrown in /home/codifer/public_html/pruebas1/vendor/doctrine/orm/tools/sandbox/bootstrap.php on line 10