Estou com erro ao executar o comando
Edson@DELL MINGW64 /C/wamp64/www/novosga2
$ bin/console novosga:install
PHP Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in C:\wamp64\www\novosga2\vendor\symfony\console\Output\Output.php on line 40
Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in C:\wamp64\www\novosga2\vendor\symfony\console\Output\Output.php on line 40
