I can't connect to the server through sssd

[GuoFlight]

I got the server code from this URL. But I can't log in to the linux user through sssd.
https://ldaptor.readthedocs.io/en/latest/quickstart.html

I even added the following user information, but I still couldn't log in.
dn: cn=user1,ou=people,dc=example,dc=org
loginShell: /bin/bash
shadowMin: 0
gidNumber: 5734
shadowInactive: 0
shadowMax: 99999
objectClass: top
objectClass: account
objectClass: posixAccount
objectClass: shadowAccount
uid: user1
uidNumber: 5672
gecos:
shadowExpire: 0
shadowWarning: 7
shadowFlag: 0
cn: user1
homeDirectory: /home/user1
userPassword:: e1NTSEsdfsdfZVlrQ29MTsfsadfasYNUhXdGdaVTVTbEhiMnE=
shadowLastChange: 19467