Partitions in system disk (disk0):
  1: (free space: 245.11 GB)
  2: APFS (System Recovery) (5.37 GB, 2 volumes)
    OS: [  ] recoveryOS v14.2.1 [Primary recoveryOS]

  [B ] = Booted OS, [R ] = Booted recovery, [? ] = Unknown
  [ *] = Default boot volume

Unable to determine primary OS.
This installer requires you to already have a macOS install with
at least one administrator user that is a machine owner.
Please run this installer from your main macOS instance or its
paired recovery, or ensure the default boot volume is set correctly.