Kde plasma - plasmashell # libva error: vaGetDriverNameByIndex() failed with unknown libva error, driver_name = (null)

system: "x86_64-linux"
host os: Linux 6.1.31, NixOS, 23.05 (Stoat), 23.05.419.3a70dd92993
multi-user?: yes
sandbox: yes
version: nix-env (Nix) 2.13.3
channels(root): "nixgl, nixos-23.05, nixos-hardware"
channels(usera): ""
nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos

plasmashell[6203]: libva error: vaGetDriverNameByIndex() failed with unknown libva error, driver_name = (null)
                                            #9  0x00007f1a3ecaf3e9 _ZN3KIO9SlaveBase5errorEiRK7QString (libKF5KIOCore.so.5 + 0xab3e9)

Is there a way to fix this?