The drive is being resized and according to the error reports:
- The current drive size is: 268435456000 B
- The new drive size would be: 322122547200 B
- Required free space on the storage provider should be at least: 53687091200 B
- Available free space is: 31918634619 B
How much more free space is required?
53687091200 - 31918634619 = 21768456581 B
In GB:
21768456581 / (1024 * 1024 * 1024) = 20.27345502842217683792 GB
If storageQuota.limit == 0 we assume it's unlimited, as documented. Otherwise we do about.storageQuota.limit - about.storageQuota.usage.