beer-sample and gamesim-sample failed to load on windows build 3.0.0-697

Install couchbase server 3.0.0-697 from this url http://factory.hq.couchbase.com:8080/job/cs_300_win6408/105/artifact/voltron/couchbase-server-enterprise-3.0.0-697.setup.exe

At sample buckets page, check to create beer-sample and gamesim-sample buckets.
beer-sample and gamesim-sample buckets were created sucessfully but no data loaded to bucket.
Check log page and see error:

Loading sample bucket gamesim-sample failed: eacces samples_loader_tasks000 ns_1@127.0.0.1 13:23:48 - Mon May 19, 2014
Loading sample bucket beer-sample failed: eacces samples_loader_tasks000 ns_1@127.0.0.1 13:23:47 - Mon May 19, 2014