Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Command\Command' not found in /home/opcon/src/dat/lib/vendor/bk/mdanter/ecc/src/Console/Commands/ListCurvesCommand.php:10 Stack trace: #0 {main} thrown in /home/opcon/src/dat/lib/vendor/bk/mdanter/ecc/src/Console/Commands/ListCurvesCommand.php on line 10