Error To Establishing Database Connection Showing
I'm using Ubuntu 12.04.5 64Bit and zpanel in my vps, I'm using a WordPress site, But after a few hours, It is showing Error to Establishing Database Connection. I can't login in zpanel, zpanel also showing database error. But after restarting my server, Website Runs for a few hours, then again this problem occurred. Now How can i solve this problem? Please help me.
My website is http://bandbazar.com