WordPress database error

Solution:

I think this will help you

http://www.wpbeginner.com/wp-tutorials/how-to-fix-the-error-establishing-a-database-connection-in-wordpress/

by the way,I found you use real estage plugin on error. Don’t not use it brother.

Please check

http://packetstormsecurity.com/files/118310/WordPress-FS-Real-Estate-SQL-Injection.html