ElasticSearch issue

curl_commands.log

$ curl -XPUT 'http://localhost:9200/system/' -d '{ "settings" : { "index" : {"number_of_replicas" : 1 } } }'

{
    "ok": true,
    "acknowledged": true
}

$ curl -XPUT 'http://localhost:9200/system/Layout/_mapping' -d '{"Layout":{"properties":{"name":{"type":"string","index":"analyzed","store":"yes"}}}}'

{
    "ok": true,
    "acknowledged": true
}

$ curl -XPUT 'http://localhost:9200/system/UILayout/_mapping' -d '{"UILayout":{"properties":{"name":{"type":"string","index":"not_analyzed","store":"yes"}}}}'

{
    "ok": true,
    "acknowledged": true
}

$ curl -XPUT 'http://localhost:9200/system/Layout/main-layout' -d '{"name":"main-layout"}'

{
    "ok": true,
    "_index": "system",
    "_type": "Layout",
    "_id": "main-layout",
    "_version": 2
}

$ curl -XPOST 'http://localhost:9200/system/UILayout/_search' -d '{"sort":[{"name":"sac"}],"query":{"term": {"name":"foobar"}}}'

{
    "took": 4,
    "timed_out": false,
    "_shards": {
        "total": 5,
        "successful": 4,
        "failed": 1,
        "failures": [
            {
                "index": "system",
                "shard": 2,
                "status": 500,
                "reason": "QueryPhaseExecutionException[[system][2]: query[filtered(name:foobar)->FilterCacheFilterWrapper(_type:UILayout)],from[0],size[10],sort[<custom:\"name\": org.elasticsearch.index.field.data.strings.StringFieldDataType$1@346df9bc>]: Query Failed [Failed to execute main query]]; nested: IOException[Can't sort on string types with more than one value per doc, or more than one token per field]; "
            }
        ]
    },
    "hits": {
        "total": 0,
        "max_score": null,
        "hits": []
    }
}