Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - php-etl/phpspec-extension is locked to version dev-main and an update of this package was not requested. - php-etl/phpspec-extension dev-main requires php-etl/metadata ^0.3@dev -> found php-etl/metadata[1.0.0+no-version-set] but it does not match the constraint. See https://getcomposer.org/dep-on-root for details and assistance. Problem 2 - php-etl/phpspec-extension dev-main requires php-etl/metadata ^0.3@dev -> found php-etl/metadata[1.0.0+no-version-set] but it does not match the constraint. See https://getcomposer.org/dep-on-root for details and assistance. - php-etl/phpspec-extension 0.3.x-dev is an alias of php-etl/phpspec-extension dev-main and thus requires it to be installed too. - php-etl/phpspec-extension is locked to version 0.3.x-dev and an update of this package was not requested.