webui cannot fetch favorites if users has never logged in the JSF UI

nuxeo_1  | ****** chain ******
nuxeo_1  | Name: Favorite.Fetch
nuxeo_1  | Exception: OperationException
nuxeo_1  | Caught error: Failed to invoke operation Favorite.Fetch
nuxeo_1  | Caused by: org.nuxeo.ecm.core.api.DocumentNotFoundException: /default-domain/UserWorkspaces/Administrator/Fav
orites
nuxeo_1  | ****** Hierarchy calls ******
nuxeo_1  |      org.nuxeo.ecm.collections.core.automation.FetchFavorites
nuxeo_1  |
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.OperationServiceImpl.run(OperationServiceImpl.java:234)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.OperationServiceImpl.run(OperationServiceImpl.java:117)
nuxeo_1  |      at org.nuxeo.ecm.automation.server.jaxrs.OperationResource.execute(OperationResource.java:58)
nuxeo_1  |      at org.nuxeo.ecm.automation.server.jaxrs.ExecutableResource.doPost(ExecutableResource.java:68)
nuxeo_1  |      ... 114 more
nuxeo_1  | Caused by: org.nuxeo.ecm.automation.OperationException: Failed to invoke operation Favorite.Fetch
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.InvokableMethod.invoke(InvokableMethod.java:189)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.CompiledChainImpl.doInvoke(CompiledChainImpl.java:130)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.CompiledChainImpl.invoke(CompiledChainImpl.java:116)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.OperationServiceImpl.run(OperationServiceImpl.java:210)
nuxeo_1  |      ... 117 more
nuxeo_1  | Caused by: org.nuxeo.ecm.core.api.DocumentNotFoundException: /default-domain/UserWorkspaces/Administrator/Fav
orites
nuxeo_1  |      at org.nuxeo.ecm.core.storage.sql.coremodel.SQLSession.resolvePath(SQLSession.java:198)
nuxeo_1  |      at org.nuxeo.ecm.core.api.AbstractSession.resolveReference(AbstractSession.java:337)
nuxeo_1  |      at org.nuxeo.ecm.core.api.AbstractSession.getDocument(AbstractSession.java:909)
nuxeo_1  |      at org.nuxeo.ecm.collections.core.FavoritesManagerImpl.getFavorites(FavoritesManagerImpl.java:116)
nuxeo_1  |      at org.nuxeo.ecm.collections.core.automation.FetchFavorites.run(FetchFavorites.java:48)
nuxeo_1  |      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
nuxeo_1  |      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
nuxeo_1  |      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
nuxeo_1  |      at java.lang.reflect.Method.invoke(Method.java:498)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.InvokableMethod.doInvoke(InvokableMethod.java:164)
nuxeo_1  |      at org.nuxeo.ecm.automation.core.impl.InvokableMethod.invoke(InvokableMethod.java:177)
nuxeo_1  |      ... 120 more