User Bulk Import & Update

I get the following error when importing AD users.
Anyone have some example of how to do?

[INFO] ————————————-
START OF BULK IMPORT
2016-05-24 / 20:31:38
————————————-

[INFO] Options for adLDAP connection:
– base_dn: dc=bamm,dc=cl
– domain_controllers: 172.16.10.7
– ad_username: administrador@bamm.cl
– ad_password: **not shown**
– ad_port: 389
– use_tls: 0
– network timeout: 5
[NOTICE] adLDAP object created.
[INFO] Domain Controller: 172.16.10.7
[ERROR] Error retrieving group members for group “domain users”.
[ERROR] Error retrieving group members for group “id:513”.
[INFO] Number of users to import/update: 2 (list generated in 0 seconds)
[INFO] User “jandrade@bamm.cl” not found in Active Directory.
[INFO] User “pdonoso@bamm.cl” not found in Active Directory.
[INFO] 0 Users added.
[INFO] 0 Users updated.
[INFO] In 0 seconds.
[INFO] ————————————-
END OF BULK IMPORT
2016-05-24 / 20:31:38
————————————-

Bulk Import returned no error.

https://wordpress.org/plugins/active-directory-integration/