UNEXPECTED_STORE_EXCEPTION

Hi, i just got the 'Unexpected Store Exception' error, After my computer restarted it couldn't find hard disk. And now still not working, not detect my Hdd 1TB even i try use another computer still not work, I'm use program Disk management not found my Hdd 1TB..
Sorry for my bad English
Please Help to get my Hdd back
TY..