cPanel: An error occurred while attempting to unsuspend “USER”. The user “USER” is not in a suspended state.

 cPanel: An error occurred while attempting to unsuspend “USER”. The user “USER” is not in a suspended state.

Remove broken tasks from: 

rm /var/cpanel/taskqueue/*.json

and

/usr/local/cpanel/scripts/suspendacct USER

/usr/local/cpanel/scripts/unsuspendacct USER