Failed to scan the drive Unable to read MFT

Hello troubleshooters,
It’s very urgent help me to recover data from hard disk. Accidentally some of data in the hard disk is erased. So I used piriform to recover my data but it is showing some error. I want that data it’s important to me, how do I get it through Piriformrecuva? I any other option is available to recover my data? Help me friends.

Failed to scan the following drives:
G: Unable to read MFT
