WordPress Database Crashed

My site https://adsenseboost.co.cc just got a database crashed. I am not sure what is it, but when i woke up this morning, it just be like that, if you try to install then it will try to tell u that the database was crashed. i have been setting up my site with joy, and happiness and now it just turns to nightmare, i am sad.

please check https://adsenseboost.co.cc and give me solutions

Thanks