hmmm im not sure how to go about that, i've seen similar messages like that in the past but was never necessary, i did find this github page from the bluez github issues page, but sadly did not work: https://github.com/bluez/bluez/issues/414
On Debian sid/unstable with bluez 5.65-1, starting the Bluetooth service with systemctl start bluetooth.service, systemd logs to the journal: systemd[8067]: ConfigurationDirectory 'bluetooth...
so the last time i saw this was a bad kernel update, i think rolling back will definitely fix this, will have to check if there's a bug open already for this
I had bluetooth working fine till today when I needed to add a USB storage device. The usb device didn't work, the system couldn't see it (lsblk didn't show anything). So tried rebooting the system.