Fatal error: Uncaught exception 'RuntimeException' with message 'Did not find vendor/autoload.php. Did you run "composer install --dev"?' in /home/admins/public_html/demo-mercantil-seguros/vendor/jms/serializer-bundle/Tests/bootstrap.php:7 Stack trace: #0 [internal function]: {closure}() #1 /home/admins/public_html/demo-mercantil-seguros/vendor/jms/serializer-bundle/Tests/bootstrap.php(13): call_user_func(Object(Closure)) #2 {main} thrown in /home/admins/public_html/demo-mercantil-seguros/vendor/jms/serializer-bundle/Tests/bootstrap.php on line 7