Can't format SD-Card as internal storage - Meta / Expand Android
command '16' volume partition disk:179,64 private' failed with null

Figure 16 may be replaced by 8, 12, 18 and others, so does 179,0 appearing in the message. So, the general problem is that they're unable to format an SD card due to volume partition disk failed with null.

The reason why does "volume partition disk failed with null" error appear and Android phone owners not being able to format the micro SD card on their phone is most probably because the card is partially damaged or corrupted, and it needs to be fixed in order to make the phone read or recognize the card.

Short and Simple fix:

You put your SD card into a Windows computer and used file explorer to format it as FAT32 you could put it back into your phone, it should work.

For more details and data recovery visit: https://www.easeus.com/resource/volume-partition-disk-failed-with-null.html