[ossec-list] ossec-dbd(1203): ERROR: Invalid user 'ossecm' or group 'ossec' given

[ronak banka]

   I am getting issues when I am trying to configure db for getting logs 
from mysql file .
   
    ossec-dbd(1203): ERROR: Invalid user 'ossecm' or group 'ossec' given

please tell what i have to configure in which file to get rid of this error.