How to make an additional volume with AS1004T v2

[Old man]

I have 4 "10TB HDDs" inserted in AS1004Tv2.
I'm going to use this with RAID5.
However, due to the HW limit, the first volume can only take 16TB.
However, there is 14TB of free space left.
I want to use this as the second Volume.
However, in Storage Manager, the next create button is grayed out and cannot be selected.
Please tell me how to operate it.

[orion]

No, as I know, ADM does not support this function.