LVM mounting error

Job ID: 33898000

Budget: $10 – $30 USD

LVM can not mount it get this error:
mount /dev/mapper/SG30-sg30--2TB /media/sg30
mount: /media/sg30: wrong fs type, bad option, bad superblock on /dev/mapper/SG30-sg30--2TB, missing codepage or helper program, or other error.

It happened after trying to copy it while it was running and then would not boot any more.