Zoho Recruit API Authentication

Zoho Recruit API Authentication

Hi,
I used the steps here:
https://help.zoho.com/portal/en/kb/recruit/developer-guide/authentication-token/articles/using-authentication-token#Generate_Auth_Token
to fetch auth_token but when I make a request I get the error:

#
#Fri Nov 13 02:08:13 PST 2020
CAUSE=NO_SUCH_USER
RESULT=FALSE

What am I missing here?