Cannot login to Share with an empty last name

Trying to login to the Share with the LDAP account, that has no last name, I have an error 500 that was caused by:

"org.json.JSONException: JSONObject["

lastName"] not found."

Our settings:

1. • • • • LDAP --------
           authentication.chain=ldap-ad:ldap-ad
           ldap.authentication.java.naming.provider.url=ldap://ad-server:389
           ldap.authentication.userNameFormat=%s@domain.com
           ldap.authentication.java.naming.security.authentication=simple
           ldap.authentication.active=true
           ldap.synchronization.active=true
           ldap.authentication.defaultAdministratorUserNames=admin-user
           ldap.authentication.authenticateFTP=false

#---LDAP-sync------------
ldap.synchronization.java.naming.security.principal=Listing@domain.com
ldap.synchronization.java.naming.security.credentials=Listing-pwd
ldap.synchronization.groupSearchBase=dc\=domain,dc\=com
ldap.synchronization.userSearchBase=dc\=domain,dc\=com
synchronization.synchronizeChangesOnly=false
synchronization.import.cron=0 0 0 * * ?
synchronization.syncWhenMissingPeopleLogIn=true
synchronization.autoCreatePeopleOnLogin=true

AntonRy