The installer faild to create partition on disk..

I have 50 GiB unlocated free space but I got error while installation

  1. the installer failed to create partition on disk Toshiba…

  2. create A new partition 50 GiB (Btrfs) on Dev/sda

3)Job: create new partition on device dev/sda

4)Command mkfs.btrfs --force dev/sda

Hey parrot ? Still didn’t foumd the solution ?