In case you missed the announcement: The Alteryx One Fall Release is here! Learn more about the new features and capabilities
here
ACT NOW: The Alteryx team will be retiring support for Community account recovery and Community email-change requests after December 31, 2025. Set up your security questions now so you can recover your account anytime, just log out and back in to get started.
Learn more here
We'll need more information to help diagnose the issue - what is the error they are getting? Do they have the exact same permissions as someone who can publish workflows? Does their version of Designer match the Server version?