unable to format

[mio-19]

PS C:\Users\user> format /fs:btrfs  D:
Insert new disk for drive D:
and press ENTER when ready...
The type of the file system is FAT32.
The new file system is BTRFS.
Verifying 28.6 GB
Format failed.
PS C:\Users\user> mkbtrfs \\.\PhysicalDrive2\Partition2
FormatEx failed
PS C:\Users\user>

[LeonCame]

Same problem here, but if I format to ntfs first instead of fat or exfat, then it works.