Unable to update domain alias alias.example.com with SmartUpdate in Wordpress > Updates:
PLESK_ERROR: PleskExt\WpToolkit\SmartUpdates\Exception\SitemapTraverserException: Smart Update could not fetch the website sitemap. The wrong response status code: 404.
alias.example.com is a domain alias for example.com
example.com exists in Domains and it has 203.0.113.2 configured
example.com resolves externally to another server:
# dig +short example.com
This has been reported as bug ID EXTWPTOOLK-3613 which will be fixed in future updates.
Currently there is no workaround possible.