The type Yiisoft\Composer\Config\Command\ExitCode was not found. Maybe you did not declare it correctly or list all dependencies?
The issue could also be caused by a filter entry in the build configuration.
If the path has been excluded in your configuration, e.g. excluded_paths:["lib/*"],
you can move it to the dependency path list as follows:
The expression return $this->io could return the type null which is incompatible with the type-hinted return Symfony\Component\Console\Style\SymfonyStyle. Consider adding an additional type-check to rule them out.
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"]
, you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths