Developer Mode Account Login Error

HI Team,

We are trying login my webOS account in device to enable developer mode to console the logs. i getting following error

err_006 please check your account or whether the account is valid on the devloper site

my account id rmvvreddyr

The login credentials for the Developer Mode app are the same as those for the webOS TV Developer website. Please make sure you have entered your email address including the domain. Thank you.