Error from Discover: Failed to obtain authentication

I installed KDE for my nas with ssh, but I’m new about linux.

I cannot only pass the kde screenlocker with correct passwd(so I passed with loginctl), but also got error from the discover.

       _,met$$$$$gg.          subkey@DXP4800PLUS-1F28 
    ,g$$$$$$$$$$$$$$$P.       ------------------------- 
  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64 
 ,$$P'              `$$$.     Host: DXP4800 Plus RP0A0080 
',$$P       ,ggs.     `$$b:   Kernel: 6.1.27 
`d$$'     ,$P"'   .    $$$    Uptime: 1 day, 4 hours, 10 mins 
 $$P      d$'     ,    $$P    Packages: 2131 (dpkg) 
 $$:      $$.   -    ,d$$'    Shell: bash 5.2.15 
 $$;      Y$b._   _,d$P'      Resolution: 1920x1200 
 Y$$.    `.`"Y$$$$P"'         DE: Plasma 5.27.5 
 `$$b      "-.__              WM: KWin 
  `Y$$                        Theme: [Plasma], Breeze [GTK2/3] 
   `Y$$.                      Icons: [Plasma], breeze-dark [GTK2/3] 
     `$$b.                    Terminal: konsole 
       `Y$$b.                 CPU: Intel Pentium Gold 8505 (6) @ 4.400GHz 
          `"Y$b._             GPU: Intel Alder Lake-UP3 GT1 [UHD Graphics] 
              `"""            Memory: 3513MiB / 7710MiB 

thks