NPE in LDAP synchronisation if the user cannot be created

2017-09-27 12:09:18,188 [mpTaskSpringExecutor-2] ERROR LDAPLoginManagerImpl - OLAT::ERROR ^%^ N58-E1617
org.olat.ldap.manager ^%^ n/a ^%^ n/a ^%^ n/a ^%^ n/a ^%^ some error occured while creating new users, actual userAttribs {x-mgnl-gender=x-mgnl-gender: 0, givenname=givenName: ZZZ, street=street: ZZZ, sn=sn: ZZZ, l=l: ZZZ, x-mgnl-company=x-mgnl-company: ZZZ, mail=mail: ZZZ, uid=uid: ZZZ, x-mgnl-country=x-mgnl-country: ZZZ}. Will still continue with others.
>>>stack of 1.cause::java.lang.NullPointerException: null
-> at org.olat.ldap.manager.LDAPLoginManagerImpl.doBatchSyncNewAndModifiedUsers(LDAPLoginManagerImpl.java:1228)
   at org.olat.ldap.manager.LDAPLoginManagerImpl.doBatchSync(LDAPLoginManagerImpl.java:929)
   at org.olat.ldap.manager.LDAPLoginManagerImpl$1.run(LDAPLoginManagerImpl.java:196)
   at org.olat.core.commons.services.taskexecutor.model.DBSecureRunnable.run(DB[...]