cPHulk Error while connecting to MySQL

WHM shows below error for cPHulk Brute Force Protection :

[wpfmb type=’error’ theme=2]cPHulk Mysql is currently disabled. To enable mysql go to: Service Manager, Error while connecting to MySQL for cPHULK, mysql error for cPHulk.[/wpfmb]

To resolve this error just execute the below command:

Duplicate column name 'SERVER'
Duplicate column name 'ISPREFIX'

Now just refresh the page and you will no more find that error.