it2018

I've got this problem too when upgrading from 2.2.4 to 2.2.5. Any suggestion?

Update composer to newest version (1.6.5) solved this problem for me.

You can also add these packages to your composer.json manually, then run: `composer update` ``` "require": { .... "magento/module-bundle-sample-data": "100.*", "magento/module-customer-sample-data": "100.*", "magento/module-sales-sample-data": "100.*", "magento/module-catalog-sample-data": "100.*", "magento/module-cms-sample-data": "100.*", "magento/module-theme-sample-data": "100.*",...