My iPhone is not backed up
It's been 54 weeks since the last backup for this iPhone. Backups happen when this iPhone is connected to power, locked and on Wi-Fi.
[Personal Information Edited by Moderator]
iPhone 7, iOS 15
The message is pretty self-explanatory. I notice, for example, that you do not appear to have a wifi connection.
If you can't back up to iCloud read this support article --> If you can't back up to iCloud - Apple Support