Unsuspension user mail accounts.

whmapi1 --output=jsonpretty unsuspend_outgoing_email user=myusr is throwing the error ""reason" : "API failure: (XID v96tkp) You do not have a user named "myuser"."". The strange i found is whmapi1 --output=jsonpretty suspend_outgoing_email user=myusr is working fine. For suspension its working fine. But the unuspension throwing the error