I am trying to upgrade Magento 2.2.4 EE using composer but, upgrade fail and and show error message Your requirements could not be resolved to an installable set of packages. I have project in magento cloud.I follow Upgrade step from https://devdocs.magento.com/guides/v2.3/cloud/project/project-upgrade.html

Please see attach screenshot.

enter image description here

  • There are so many sources of this error, this image shows lack of information, more details please?
    – user81967
    Commented Oct 4, 2019 at 4:24

1 Answer 1


It could be a few things, but to start I would recommend running composer self-update to update to the latest version of Composer as the issue looks to be the version.

If that does not resolve it, please post the output of composer --version as well as your composer.json.

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