Lightroom :: 5 - Basics Are Gone In Develop Module / How To Retrieve

I've used my lightroom 5 yesterday, and it was perfectly fine, then when i open it up today and do some edintg stuff, i observed that in my develop module the BASICS are gone or nowhere to be found, its has only the tone curve,details, hsl , lens corrections and etc. but the basics which is the most important is just gone, i've tried to retrive it if i cannot sort it out . How to retrieve the basics  on the develop module in lightroom 5.